If you are talking about the game cliffy talked about then....

jjclassic-all the enemies and jazz are turned to the classic ver.
jjbigh-Big heads on everybody.
jjgibs-BLOOD EVERYWHERE!
jjfat-Useless cheat...makes jazz very fat and slow...good point is you can jump on enemies head. It is less usefull if you could roll around.
jjsonic-this won't be in it but...you play as sonic with no gun. you just are ten times faster.
jjtaunt-you taunt your enemies thats it.
jjbeard-Gives jazz...a beard.
jjcarrot-get a carrot
jjgod-duh.
jjk-die jazz
jjspaz-play as spaz!
jjlori-play as lori!
jjearl-play as ms. earlong.
jjpie-changes all the weapons to be food related. like flame thrower=whip cream shooter.