Games characters with names beginning with letter O
| Image | Character Name | Record |
|---|---|---|
| Obsidius W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Odahviing W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Odogaron W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| ODST's W: 1 L: 0 T: 0 | Wins: 1 Losses: 0 Ties: 0 | |
| Oerba Dia Vanille W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Oerba Yun Fang W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Oghren W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Ogre W: 2 L: 1 T: 0 | Wins: 2 Losses: 1 Ties: 0 | |
| Olcadan W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Omega (Plasma Sword) W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Omen W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Omen (Killer Instinct) W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Omochao W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Onaga W: 7 L: 5 T: 0 | Wins: 7 Losses: 5 Ties: 0 | |
| Oni (Rage of the Dragons) W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Onix W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Ophelia (Brütal Legend) W: 1 L: 0 T: 0 | Wins: 1 Losses: 0 Ties: 0 | |
| Organization XIII W: 2 L: 1 T: 0 | Wins: 2 Losses: 1 Ties: 0 | |
| Origami Killer, The W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Oro W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Orochi W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Osmund Saddler W: 1 L: 4 T: 0 | Wins: 1 Losses: 4 Ties: 0 | |
| Oswald (King of Fighters) W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Ouendan (Cheer Squad) W: 0 L: 1 T: 0 | Wins: 0 Losses: 1 Ties: 0 | |
| Oume Gouketsuji W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 | |
| Ozotto W: 0 L: 0 T: 0 | Wins: 0 Losses: 0 Ties: 0 |
