First Appearances U
  1. Uatu the Watcher. The character first appears in the comic book Fantastic Four #13 (1963).
  2. Lani Ubana/Lorelei. The character first appears in the comic book X-Men #63 (1969).
  3. Uchiha Sasuke. The character first appears in the Naruto manga Chapter 3 (2000).
  4. Junichi Udge. The character first appears, unnamed, in the video game Turnabout Trial (2001). His surname is implied in the special episode added for the international release of Phoenix Wright: Ace Attorney (2005). His given name is arbitrary.
  5. Yondu Udonta. The character first appears in the comic book Marvel Super-Heroes #18 (1969).
  6. Nyota Uhura. The character first appears in the Star Trek television series episode "The Corbomite Maneuver" (1966). Her given name is established in the reference book Star Trek II: Biographies (1982).
  7. Umino Iruka. The character first appears in the Naruto manga chapter 1 (2000).
  8. Baron Werner Underbheit IV. The character first appears in the The Venture Bros. animated series episode "Home Insecurity" (2004). His given name is established in ???.
  9. Underdog/Shoeshine Boy. The character first appears in the The Underdog Show episode segment "Safe Waif" (1964).
  10. Undyne. The character first appears in the video game Undertale (2015).
  11. Felix Ungar. The character first appears in the stage play The Odd Couple (1965).
  12. Unicron. The character first appears in the animated feature film The Transformers: The Movie (1986).
  13. Nigel Uno/Numbuh 1. The character first appears in the Codename: Kids Next Door animated series pilot short "No P in the OOL" (2004).
  14. Angelo Unuscione/Unus/Gunther Bain. The character first appears in the comic book X-Men #8 (1964). His American name is established in The Official Handbook of the Marvel Universe #2 (1983). His birth name is established in The Official Handbook of the Marvel Universe #11 (1983).
  15. Carmella Unuscione. The character first appears in the comic book Uncanny X-Men #298 (1993).
  16. Ochaco Uraraka/Uravity. The character first appears in the My Hero Academia manga chapter 3: "Entrance Exam" (2014).
  17. Urbosa. The character first appears in the video game The Legend of Zelda: Breath of the Wild (2017).
  18. Hamilton B. Urglar/Hamburglar. The character first appears in McDonald's restaurants commercials airing in 1971.
  19. Ben Urich. The character first appears in the comic book Daredevil #153 (1978).
  20. Phillip "Phil" Urich/Green Goblin/Hobgoblin/Goblin Knight/Goblin King. The character first appears in the comic book Web of Spider-Man #125 (1995). He first appears as Hobgoblin in The Amazing Spider-Man #649 (2011), as Goblin Knight in Superior Spider-Man #16 (2013), and Goblin King in The Amazing Spider-Man #5 (2014).
  21. Stanley "Stan" Uris. The character first appears in the novel IT (1986).
  22. Steven "Steve" Urkel. The character first appears in the Family Matters television series episode "Laura's First Date" (1989).
  23. Ursula (sea witch). The character first appears, unnamed, in the story The Little Mermaid (1837). She is named in the animated adaptation (1989).
  24. Ushas/The Rani. The character first appears in the Doctor Who television series episode "The Mark of the Rani, Part One" (1985). Her third incarnation first appears in the audio drama The Rani Elite (2014). Her original short-form name is established in the Doctor Who novel Divided Loyalties (1999).
  25. Utnapishtim/Noah. The character first appears, apparently, in the Epic of Gilgamesh epic poem, written in antiquity (c. 2100 BCE). The Noah version first appears narratively in the Torah's Book of Genesis.
  26. Blisstina "Bliss" Utonium. The character first appears in the The Powerpuff Girls animated series episode "Power of Four" (2017).
  27. Blossom Utonium. The character first appears in the animated short Whoopass Stew! "A Sticky Situation" (1994).
  28. Bubbles Utonium. The character first appears in the animated short Whoopass Stew! "A Sticky Situation" (1994).
  29. Buttercup Utonium. The character first appears in the animated short Whoopass Stew! "A Sticky Situation" (1994).
  30. Craig Utonium. The character first appears in the animated short, Whoopass Stew! "A Sticky Situation" (1994). His given name is arbitrary.
  31. Uxie. The character first appears in the video games Pokémon Diamond and Pearl Versions (2006).
  32. Uzumaki Naruto. The character first appears in the Naruto manga Chapter 1 (2000).
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