First Appearances M
  1. M'Baku/Man-Ape. The character first appears in the comic book Avengers #62 (1969).
  2. Jabilo M'Benga. The character first appears in the Star Trek television series episode "A Private Little War" (1968). His given name, Jabilo, is established in the Star Trek: Vanguard novel Harbinger (2005).
  3. Jason Lochinvar "J.L." McCabe/the Fatman. The character first appears, as James L. McShane, on the Matlock television series episode "The Don, Part 1" (1986). He is renamed for the Jake and the Fatman television series debut episode "Happy Days Are Here Again" (1987).
  4. Kevin McCallister. The character first appears in the film Home Alone (1990).
  5. Celeste McCauley/Neon. The character first appears in the comic book Legion of Super-Heroes #6 (1990).
  6. Leland McCauley III. The character first appears in the comic book Superboy #214 (1976). The version in this timeline first appears in Legion of Super-Heroes #63 (1994).
  7. Nemo McCay. The character first appears, as simply Nemo, in the Little Nemo in Slumberland comic strip (1905). His surname is arbitrary.
  8. Mayor McCheese. The character first appears in McDonald's restaurants commercials in 1971.
  9. John McClane. The character first appears, as Joe Leland, in the novel The Detective (1966). He is renamed for that novel's adaptation in the film Die Hard (1988).
  10. Lance McClain. The character first appears, as Isamu Kurogane, in the Beast King GoLion animated series premiere episode "Escape from Slave Castle" (1981). The first incarnation called Lance first appears in the Voltron: Defender of the Universe animated series premiere "Space Explorers Captured" (1984). His surname is first used in the comic book Voltron: Defender of the Universe #0 (2003).
  11. James McCloud. The character first appears in the video game Star Fox 64 (1997).
  12. James "Fox" McCloud Jr. The character first appears in the video game Star Fox (1993).
  13. James John "J.J." McClure. The character first appears in the film The Cannonball Run (1981). His full given and middle names are arbitrary.
  14. Mearth McConnell. The character first appears (is born in) in the Mork & Mindy television series episode "Three the Hard Way" (1981) and is named in "Mama Mork, Papa Mindy" (1981).
  15. Mindy McConnell. The character first appears in the Mork & Mindy television series pilot episode (1978).
  16. Kenneth "Kenny" McCormick. The character first appears, unnamed, in the animated short film The Spirit of Christmas (1992). He is first identified as Kenny in another short of the same name in 1995. His full name is established in ???
  17. Henry "Hank" McCoy/Beast. The character first appears in the comic book X-Men #1 (1963). His formal first name, Henry, is established in X-Men #4 (1964).
  18. Henry McCoy/Dark Beast. The character first appears in the comic book X-Men: Alpha #1 (1995).
  19. Josie McCoy. The character first appears in the comic book Archie's Gals n Pals #22 (1962). Her surname is established as McCoy in the live-action feature film Josie and the Pussycats (2001).
  20. George McFly. The character first appears in the film Back to the Future (1985).
  21. Lorraine Baines McFly. The character first appears in the film Back to the Future (1985).
  22. Martin "Marty" McFly. The character first appears in the film Back to the Future (1985).
  23. Casey McGinnis. The character first appears in the Pokémon anime episode "The Rookie's Chikorita!" (1999), with the name Nanako. She is named Casey for the American adaptation, "The Double Trouble Header" (2000). Her surname is arbitrary.
  24. Matthew "Matt" McGinnis/Batman. The character first appears in the Batman Beyond animated series premiere episode "Rebirth" (1999).
  25. Elizabeth "Lizzie" McGuire. The character first appears in the Lizzie McGuire television series debut episode "Rumors" (2001).
  26. Marcus "Mark" McHenry. The character first appears in the Star Trek: The Next Generation novella Starfleet Academy #1: Worf's First Adventure (1993).
  27. "Trapper" John McIntyre. The character first appears in the novel MASH: A Novel about Three Army Doctors (1968).
  28. Ashley McIntosh. The character first appears in the video game WarioWare: Touched! (2004). Her surname is arbitrary.
  29. Colin McKay/Kylun. The character first appears in the comic book Excalibur #2 (1988). He first appears as Kylun in Excalibur #43 (1991).
  30. Dylan McKay. The character first appears in the Beverly Hills 90210 television series episode "The Green Room" (1990).
  31. Meat Boy. The character first appears in the video game Super Meat Boy (2010).
  32. Meatwad. The character first appears in the Aqua Teen Hunger Force animated series premiere episode "Rabbot" (2000).
  33. Media (god). The character first appears in the novel American Gods (2001).
  34. Medli. The character first appears in the video game The Legend of Zelda: The Wind Waker (2002).
  35. Medusa (Gorgon). The character first appears, perhaps, outside oral tradition in Hesiod's Theogeny, written c. 700 BCE.
  36. Meioh Setsuna/Tehrista/Sailor Pluto. The character first appears in the Pretty Soldier Sailor Moon manga chapter "Act 18: Time Warp, Sailor Pluto" (1993). The Tehrista original name is arbitrary.
  37. The Mekon. The character first appears in the magazine Eagle #1 (1950).
  38. Melchior. The character first appears in the Gospel of Matthew in the Bible (c. 100 CE).
  39. M-11/Human Robot. The character first appears in the comic book Menace #11 (1954).
  40. Peeta Mellark. The character first appears in the novel The Hunger Games (2008).
  41. Janine Melnitz. The character first appears in the film Ghostbusters (1984).
  42. Meloetta. The character first appears in the video games Pokémon Black and White Versions (2010).
  43. Billy Mensch. The character first appears in the Grim Adventures of Billy & Mandy animated short "Meet the Reaper" (2003). His surname is arbitrary.
  44. Mentok the Mind-Taker. The character first appears in the Birdman and the Galaxy Trio animated series Birdman segment "Mentor [sic], the Mind-Taker" (1967).
  45. Patricia Menzies. The character first appears in the Doctor Who audio drama The Condemned (2008).
  46. Meowth (Team Rocket!). The character first appears in the Pokémon anime episode "Showdown! Pokémon Center!" (1997).
  47. Mephisto. The character first appears in the comic book Silver Surfer #3 (1968).
  48. Mera. The character first appears in the comic book Aquaman #11 (1963).
  49. Mercury (Magnus). The character first appears in the comic book Showcase #37 (1962).
  50. Mercutio. The character first appears in the story Giuletta e Romeo (1530).
  51. Michalis of Macedon. The character first appears in the video game Fire Emblem: Shadow Dragon and the Blade of Light (1990).
  52. Michelangelo (turtle). The character first appears, erroneously as Michaelangelo, in the comic book Teenage Mutant Ninja Turtles #1 (1984).
  53. Midir of Grannvale. The character first appears in the video game Fire Emblem: Genealogy of the Holy War (1996).
  54. Midna. The character first appears in the video game The Legend of Zelda: Twilight Princess (2006).
  55. Mido. The character first appears in the video game The Legend of Zelda: Ocarina of Time (1998).
  56. Midori (daughter of Kaze). The character first appears, as Midoriko, in the video game Fire Emblem: If (2015). She is renamed Midori in the English language release Fire Emblem: Fates (2016).
  57. Midoriya Izuku/Deku. The character first appears in the My Hero Academia manga Chapter 1: "Midoriya Izuku: Origin", first published in Weekly Shonen Jump magazine (2014).
  58. Daisuke "Pops" Mifune. The character first appears in the first chapter of Mach GoGoGo manga published in Shonen Book magazine (1966). His nickname, Pops, is established in the Speed Racer anime adaptation's premiere episode "The Great Plan, Episode 1" (1967).
  59. Go Mifune/Speed Racer. The character first appears in the first chapter of Mach GoGoGo manga published in Shonen Book magazine (1966). His nickname, Speed Racer, is established in the Speed Racer anime adaptation's premiere episode "The Great Plan, Episode 1" (1967).
  60. Ken'ichi "Rex" Mifune/Racer X/Masked Racer. The character first appears in the second chapter of Mach GoGoGo manga published in Shonen Book magazine (1966). His nickname, Rex, is established in the Speed Racer anime adaptation episode "Challenge of the Masked Racer, Part 1" (1967).
  61. Kurio "Spritle" Mifune. The character first appears in the first chapter of Mach GoGoGo manga published in Shonen Book magazine (1966). His nickname, Spritle, is established in the Speed Racer anime adaptation's premiere episode "The Great Plan, Episode 1" (1967).
  62. Henry Mills. The character first appears in the Once Upon a Time television series pilot episode (2011).
  63. Stephanie Mills. The character first appears in the All in the Family television series episode "Little Miss Bunker" (1978).
  64. Pokey "Porky" Minch. The character first appears in the video game Mother 2: [Giygas] Strikes Back (1994).
  65. Mr. Mind. The character first appears in the comic book Captain Marvel Adventures #26 (1943).
  66. Minerva of Macedon. The character first appears in the video game Fire Emblem: Shadow Dragon and the Blade of Light (1990).
  67. Barbara Minerva/The Cheetah. The character first appears in the comic book Wonder Woman #7 (1987). She adopts the Cheetah persona in Wonder Woman #9 (1987).
  68. Ming the Merciless. The character first appears in an early Flash Gordon comic strip (1934).
  69. Minnlee/Terra. The character first appears in the comic book New Titans Annual #7 (1991). Her real name is arbitrary.
  70. Nico Minoru/Sister Grimm. The character first appears in the comic book Runaways #1 (2003).
  71. Robert Minoru. The character first appears in the comic book Runaways #1 (2003).
  72. Tina Ikeda Minoru. The character first appears in the comic book Runaways #1 (2003). Her maiden name is arbitrary.
  73. Mipha. The character first appears in the video game The Legend of Zelda: Breath of the Wild (217).
  74. Miriam (sister of Moses). The character first appears in the Book of Exodus in the Torah, written in antiquity.
  75. Miriel of Ylisse. The character first appears in the video game Fire Emblem: Awakening (2012).
  76. Heihachi Mishima. The character first appears in the video game Tekken (1994).
  77. Tara Mishra. The character first appears in the comic book Doctor Who: The Ninth Doctor #6 (2016).
  78. Adam Mitchell. The character first appears in the Doctor Who television series episode "Dalek" (2005).
  79. Dennis "the Menace" Mitchell. The character first appears in the Dennis the Menace daily comic strip (1951).
  80. Gary Mitchell. The character first appears in the Star Trek television series second pilot episode "Where No Man Has Gone Before" (1966).
  81. Mitth'raw'nuruodo/Thrawn. The character first appears in the Star Wars novel Heir to the Empire (1991).
  82. Nariyoshi Miyagi. The character first appears in the film The Karate Kid (1987). His given name is established in the online series Cobra Kai (2018).
  83. Sakura Miyamoto. The character first appears in the video games Pokémon Gold and Silver Versions (1999). Her surname is arbitrary.
  84. Miyamoto Usagi. The character first appears in the comic book anthology Albedo Anthromorphics #2 (1984).
  85. Mizuno Ami/Sailor Mercury. The character first appears in the Pretty Soldier Sailor Moon manga chapter "Act 2: Ami, Sailor Mercury" (1992).
  86. Dominic Mndawe/Freedom Beast. The character first appears in the comic book Animal Man #13 (1989).
  87. Moby Dick (whale). The character first appears in the novel Moby-Dick; or The Whale (1865).
  88. Mock Turtle. The character first appears in the novel Alice's Adventures in Wonderland (1865).
  89. Kristin Danielle Marina "Kris"/"Dani" Mojica. The character first appears, as Kris, in the video game Pokémon Crystal Version (2000). She is established to be named Marina in the Pokémon anime special The Legend of Thunder (2001). Her nickname of Dani is established in the English adaptation of the anime's episode "Tie One On!" (2003). Her full name is arbitrary.
  90. Mojo. The character first appears in the comic book Longshot #3 (1985).
  91. Jeremiah Moliarty. The character first appears in the Darkwing Duck animated series episode "That Sinking Feeling" (1991). His given name is arbitrary.
  92. Lisa Molinari/Coat of Arms. The character first appears in the comic book Dark Reign: Young Avengers #1 (2009).
  93. Moltres. The character first appears in the video games Pokémon Red and Green Versions (1996).
  94. Momotarō. The character first appears in a story dating back to the Edo period (approx. 1600-1800). This writer has not been able to find his first "official" appearance.
  95. Antonia "Toni" Monetti/Argent. The character first appears in the comic book Teen Titans #1 (1996).
  96. Mongul. The character first appears in the comic book DC Comics Presents #27 (1980).
  97. Harry Monmouth/Dingo. The character first appears in the Gargoyles animated series episode "The Thrill of the Hunt" (1994). His real name is established in ???
  98. Amos Monroe/Crackpot. The character first appears in the comic book Invasion! #1 (1988). His name and code-name are established in The Blasters Special #1 (1989).
  99. Gardner Monroe/Flashback. The character first appears in the comic book Alpha Flight #11 (1994).
  100. Jack Monroe/Nomad/Bucky. The character first appears, as Bucky, in the comic book Young Men #24 (1954). His real name is established in Captain America #281 (1983). He adopts the identity of Nomad in Captain America #282 (1983).
  101. Guy Montag. The character first appears in the short story "The Fireman", originally published in Galaxy magazine (1951).
  102. Benvolio Montague. The character first appears in the story Giuletta e Romeo in the work Novelle (1554).
  103. Romeo Montague. The character first appears, as Mariotto, in the story "Mariotto and Gianozza" in the 33rd novel in the Il Novellino series (1476). He first appears as Romeo in Giuletta e Romeo (1530).
  104. Doña Maria, Marquesa de Montemayor. The character first appears in the novel The Bridge of San Luis Rey (1927).
  105. Monterey Jack. The character first appears in the Chip n Dale Rescue Rangers animated series preview episode "Catteries Not Included" (1988).
  106. Gabriella Montez. The character first appears in the broadcast film High School Musical (2006).
  107. Yolanda Montez/Wildcat. The character first appears in the comic book Infinity, Inc. #12 (1985). She first appears as Wildcat in Crisis on Infinite Earths #6 (1985).
  108. Danielle "Dani" Moonstar/Psyche/Mirage. The character first appears in the comic book Marvel Graphic Novel #4 (1982). She first uses the Mirage identity in New Mutants #21 (1984).
  109. Flannery Moore. The character first appears, with her original Japanese name Asuna, in the video games Pokémon Ruby and Sapphire Versions (2002). Her English dub name is established in the English release (2003). Her surname, assumed from her grandfather, comes from the Pokémon animated series English adaptation episode "Poetry Commotion" (2004).
  110. Bullwinkle Moose. The character first appears in the Rocky & His Friends animated series premiere episode "Jet Fuel Formula" (1959).
  111. Montgomery Moose. The character first appears in Get-Along Gang greeting cards beginning in 1983.
  112. "Little" Lulu Moppet. The character first appears in a cartoon in The Saturday Evening Post (1935).
  113. Miles Morales/Spider-Man. The character first appears in the comic book Ultimate Comics: Fallout #4 (2011).
  114. Sebastian Moran. The character first appears in the short story "The Adventure of the Empty House" (1903).
  115. Michael Morbius. The character first appears in the comic book The Amazing Spider-Man #101 (1971).
  116. Baron Karl Mordo. The character first appears in the comic book Strange Tales #111 (1963).
  117. Mordred. The character is first mentioned, apparently, in the Annales Cambriae (c. 1150).
  118. Mordru/Wrynn. The character first appears in the comic book Adventure Comics #369 (1968).
  119. Lorna Morello Mucchio. The character first appears in the Orange Is the New Black online television series premiere episode "I Wasn't Ready" (2013). She changes her surname to Mucchio upon marrying in "Trust No Bitch" (2015).
  120. Morgaine le Fey/Morgan/Morgana/Morgen/Morganna/le Fay. The character first appears, apparently, outside folklore, in the Geoffrey Monmouth work Vita Merlini (c. 1150).
  121. Morgan (child of Robin). The character first appears, as Marc, in the video game Fire Emblem: Awakening (2012). They are given the English name Morgan in the North American release (2013).
  122. Ellen Morgan. The character first appears in the pilot episode of the television series These Friends of Mine (1994).
  123. Sally Morgan. The character first appears in the Doctor Who audio drama House of Blue Fire (2011).
  124. Daria Morgendorffer. The character first appears in the Beavis and Butt-head animated series episode "Sign Here" (1993). Her surname is established in the episode "Scientific Stuff" (1993).
  125. Helen Barksdale Morgendorffer. The character first appears in the Daria animated series premiere episode "Esteemsters" (1997).
  126. Jake Morgendorffer. The character first appears in the Daria animated series premiere episode "Esteemsters" (1997).
  127. Quinn Morgendorffer. The character first appears in the Daria animated series premiere episode "Esteemsters" (1997).
  128. Dirk Morgna/Sun Boy. The character first appears in the comic book Action Comics #276 (1961). His real name is revealed in Adventure Comics #302 (1962). The version appearing in this timeline first appears in Legionnaires #29 (1995).
  129. James Moriarty. The character first appears in the Sherlock Holmes short story "The Final Problem", published in Strand Magazine (1893).
  130. James Moriarty (hologram). The character first appears in the Star Trek: The Next Generation television series episode "Elementary, Dear Data" (1988).
  131. Fievel Mousekewitz. The character first appears in the animated feature film An American Tail (1986).
  132. Mousse. The character first appears in the Ranma 1/2 manga Chapter 43: "Attack of the Wild Mousse" (1988).
  133. Mowgli. The character first appears in the short story "In the Rukh" (1893).
  134. Moya (ship). The character first appears in the Farscape television series premiere episode "Premiere" (1999).
  135. Mozu of Hoshido. The character first appears, as Mozume, in the video game Fire Emblem: If (2015). She is named Mozu in the North American release as Fire Emblem: Fates (2016).
  136. Ti'julk Mr'asz/Gates. The character first appears in the comic book Legion of Super-Heroes #66 (1995). His real name is established on supplemental material included in Legionnaires #50 (1997).
  137. Shiboline M'Ress. The character first appears in the Star Trek animated series episode "The Survivor" (1973). Her given name is established in the Star Trek: New Frontier novel Cold Wars, part of the Gateways crossover.
  138. Ms. Lion (dog). The character first appears in the Spider-Man and His Amazing Friends animated series premiere episode "Triumph of the Green Goblin" (1981).
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