Type "gloriousicecream" at the car select screen to become 
Sweettooth.

FadMan

Jump = up,up,left Shield = up,up,right Freeze = left,right,up Rear Attack = left,right,down Napalm = right,left,up Mine = right,left,down Cloak = right,down,left,up Back Napalm = left,right,down,right,left,up Back Freeze = left,right,down,left,right,up Minions Speacial = up,down,up,up,(rifle weapon)

EDDY

Type: glorious -to enable cheating (during gameplay) divine -for god mode allucaneat -for eternal life doubledown -for supercharged weapons holysmokes -for infanite weapons slamfest -for super slammer gimmemore -for more weapons 2hot -for homing napalm cusucka -for mega machine guns framerate -to display frame rate (Type in at level select in multi player mode) dasbak -enables net cheats sleuth -sneak peeks jmswamp -suicide swamp level tmburbs -cyburbia level tmroof -roof tops level

FadMan

Type 'gloriousbigboy' at the character select screen and that will enable you to use Minion.