MTV's Celebrity Deathmatch cheats and cheat codes for Playstation 2

Unlock Adam Sandler as playable character:
In Make-A-Character mode, type "Adam Sandler" as a player name

Unlockable characters:
Alien: Finish Episode 5 and reach a "Perfect" rank.
Cousin Grimm: Finish Episode 1 and reach "Perfect" rank.
Frankenstein: Finish Episode 2 and reach a "Perfect" rank.
Gladiator Nick Dimond: Finish Episode 6 and reach a "Perfect" rank.
Graveyard ring: Finish Episode 4 and reach a "Perfect" rank.
Mummy: Finish Episode 3 and reach a "Perfect" rank.
Spaceship ring: Finish Episode 5 and reach a "Perfect" rank.
Tomb ring: Finish Episode 3 and reach a "Perfect" rank.
Wizard Johnny Gomez: Finish Episode 6 and reach a "Perfect" rank.
Wolfman: Finish Episode 4 and reach a "Perfect" rank.

Head Rip: 
After your opponent have lost both their legs, kill him.

Anvil Drop: 
After your fighter has lost both their legs, kill you opponent.

Matrix Decapitation Kick: 
After your opponent have lost both their arms, kill him.

Easy wins:
Play with Dennis Rodman.  During the fight, get get close to the 
opponent and repeatedly pressing Y.