Anime characters with O

• Orochimaru

  Villain from Naruto, legendary Sannin snake ninja.

• Obito

  Uchiha Obito from Naruto, masked Akatsuki leader.

• Oikawa

  Oikawa Tōru, setter from Haikyuu!! Aoba Johsai.

• Orihime

  Inoue Orihime, healer from Bleach with fairy shields.

• Ochako

  Uraraka Ochako, gravity hero from MHA anime.

• One punch man

  Nickname for Saitama, overpowered hero from OPM.

• Obito Uchiha

  Full name of Obito from Naruto, same character.

• Ochaco

  Alt spelling Ochaco Uraraka, MHA gravity hero.

• Ojiro

  Tailman Ojiro Mashirao, martial artist in MHA.

• Osamu

  Several anime Osamus; best known Dazai Osamu in BSD.

• Okuyasu

  Okuyasu Nijimura from JoJo’s Part 4, stand user

• Ochaco Uraraka

  Hero Uravity from My Hero Academia, gravity powers

• Obanai

  Obanai Iguro, Serpent Hashira from Demon Slayer

• Orochi

  Yamata no Orochi appears as a monster in many anime

• Ochako Uraraka

  Same character as Ochaco Uraraka from MHA

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• Overhaul

  Villain Overhaul (Kai Chisaki) from My Hero Academia

• Osamu Dazai

  Osamu Dazai from Bungo Stray Dogs, No Longer Human ability

• Onizuka

  Great Teacher Onizuka, classic delinquent teacher MC

• okabe

  Okabe Rintarou from Steins;Gate, mad scientist protagonist.

• Osana

  Osana Najimi, rival girl from Yandere Simulator anime-style game.

• Onyankopon

  Onyankopon from Attack on Titan, member of Survey Corps.

• Obanai Iguro

  Obanai Iguro, Serpent Hashira from Demon Slayer.

• Otama

  Otama is the little girl from One Piece’s Wano arc.

• Omi

  Omi from Xiaolin Showdown, Chinese monk protagonist.

• Oreki

  Oreki Houtarou, lazy genius from Hyouka.

• Otonashi

  Likely Yuzuru Otonashi from Angel Beats!, anime MC

• Onoki

  Ōnoki is the Third Tsuchikage from Naruto series

• Okabe Rintarou

  “Onii-chan” used as name-like nickname in many anime

• Obi

  Obi is the royal guard from Snow White with the Red Hair

• Opera

  Opera is the demon butler character from Welcome to Demon School! Iruma-kun

• Oingo

  Oingo, Stand user from JoJo Part 3. Comic assassin.

• Ogami Daigoro

  Ogami Daigoro, baby samurai from Lone Wolf and Cub anime.

• Orihime Inoue

  Orihime Inoue, main heroine from Bleach series.

• Onodera

  Onodera, family name of characters in Nisekoi and KNB.

• Okarun

  Okarun, possessed boy hero from Dandadan anime/manga.

The words in the list Anime characters with O come from players of the word game Categories game.