Change Outfits  Hold the R button at the character select screen. (Thanks to INGUES2080@aol.com)

Hidden Characters

Character	To Access Character:
Boro	Beat the game on Easy mode. (Thanks to INGUES2080@aol.com)
Joker	Beat all 100 fighters in Survival Mode (Thanks to RFAnimorph@aol.com)
Master	Beat everyone (including Jokers) in the Master Challenge (Thanks to RFAnimorph@aol.com)
Robert The Dummy	Beat all enemies in less than 1 minute on Crazy. (Thanks to RFAnimorph@aol.com)
USHI the Cow	Stay in the arena for at least 1 minute in Rodeo mode. (Thanks to RFAnimorph@aol.com)