Underdog Whose Name Starts With "O" Tournament
- Oranguru
- Ogerpon 1
- Onix 1
- Octillery
- Obstagoon 1
- Omastar
- Orthworm 1
- Orbeetle
- Oricorio 1
- Ogerpon
- Onix
- Obstagoon 1
- Orthworm
- Oricorio ELIMINATED
- Onix 1
- Obstagoon
- Onix
- Obstagoon 1
- Obstagoon