zombie: beat the game

Bowser: type in nintendo as a cheat

grim reaper: kill all the familys in simville.

Tony hawk: connect your gameboy advance to your gamecube with tony hawk in it.

elmo: first beat the game and get zombie, then spend all your money on red souts
, then you should unlock elmo.

Hanna Montanna: connect a michraphone to your gamecube and then sing " this is the life"

Link: type in " ocarina 33" as a cheat