Alien Hominid
  
Gamecube



  Pirate's hat: 

  After the mini-boss on the first stage of the first level destroy Hairy Nanny Daycare.
  
Change Color in PDA games:

  You can change your color with L and R while you're blinking.
Blonde wig:

  Beat the game on hard. 
Two-player hat codes: 

Go to the Player Name Option screen and enter the following. Only for use in two-player mode.

Special thanks to Revolution readers A Person, Shaw, and reckoning!