When awarded a new character or outfit after completing the Professional Championship or better, go into any fighting mode (for example, Single Fight, Survival, etc.). Highlight that character, then press Select. Note: New characters are the person you just defeated that championship with, but will have a different hair, costume, glove color, and record. For example, Mickey McFists record is 12 wins 3 loss and 9 KOs, but "Joe Nitro" has 15 wins 2 loss and 11 KOs.
| Character | How to unlock
|
|---|
| - Win the World Title with Jackpot (wearing the player two costume).
|
| - Win World Title with Tiny. He has a solid record of 99 wins/KOs and 0 loss.
|
- Jackpot (player two costume)
| - Win Professional Championship with him.
|
| - Win the Professional Championship with Mickey McFist.
|
- Joe Nitro (alternate costume)
| - Win World Title with Joe Nitro..
|
| - Win the Professional Championship with him, then highlight him and press Select. His shirt will be purple.
|
- Miagaru new costume (yellow)
| - Win the World Title with him.
|
- Miagaru player two costume (white)
| - Win the Professional Championship with him.
|
| - Win the Professional Championship using The Hammer.
|
|
| - Win the World Title with him. When done, highlight him and press Select. His skin will be orange.
|
- Royal Pain player two costume
| - Win the Professional Championship with him, then highlight him and press Select. He will have pale skin.
|
| - Win the Professional Championship using Major Flag.
|
| - Win the Professional Championship,with him, then highlight him and press Select. His skin will be gray.
|
| - Win the Professional Championship with Knuckles Nadine.
|
| - Win the World Title using Violent Violet.
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