Showing 50 of 710 characters starting with "O"
| Name | Media | Appearances |
|---|---|---|
| Oroshiya | 1 | 1 |
| Orrin Sackett | 1 | 2 |
| Orrin Sanderson | 1 | 1 |
| Orry Main | 2 | 8 |
| Orso | 2 | 2 |
| Ortega | 4 | 7 |
| Ortiz 's henchman | 1 | 2 |
| Ortiz's henchman | 1 | 4 |
| Orville "Rick" Wright | 3 | 18 |
| Orville Beecham | 1 | 1 |
| Osborne | 1 | 1 |
| Osbourne Cox | 1 | 1 |
| Oscar | 6 | 14 |
| Oscar "El Oso" Ramos | 1 | 2 |
| Oscar Boneau | 1 | 1 |
| Oscar Diaz | 1 | 1 |
| Oscar Duarte | 1 | 1 |
| Oscar Finch | 1 | 1 |
| Oscar Markov | 1 | 1 |
| Oscar Rosewood | 1 | 2 |
| Oscar Verdanken | 1 | 3 |
| Oscar Wallace | 1 | 2 |
| Osceola | 1 | 2 |
| Oseaca | 2 | 3 |
| Oshima | 1 | 1 |
| Osip Byankin | 1 | 1 |
| Osip Shelekhes | 1 | 1 |
| Osip Zaburunnyy | 1 | 2 |
| Osiris Amanpour | 2 | 2 |
| Osito | 1 | 1 |
| Oskar Reinhardt | 4 | 10 |
| Oskol | 1 | 2 |
| Osman | 2 | 2 |
| Osmund Bates | 1 | 6 |
| Ostap Bulba | 1 | 1 |
| Ostap Korneevich | 1 | 3 |
| Ostroff | 1 | 2 |
| Osvalds Kreizis | 1 | 1 |
| Oswald | 2 | 4 |
| Oswald Cobblepot ("The Penguin") | 3 | 7 |
| Oswald's henchman | 1 | 1 |
| Oswaldo Mobray | 1 | 2 |
| Osya Gruzin | 1 | 1 |
| Osyanin | 1 | 1 |
| Oszkár Ormándy | 1 | 2 |
| Otero | 1 | 1 |
| Othmar Spann | 1 | 1 |
| Otis | 11 | 18 |
| Otis B. Driftwood | 2 | 4 |
| Otis Driftwood | 1 | 3 |