Secret Characters!
     Enter these at the "Unlock Code" screen in the "Options" menu.

Password:                     Effect:
Patrick, Jenny, Timmy, Tak    Unlocks Spongebob2
Tak, Jimmy, Zim, El Tigre     Unlocks Danny Phantom2


How to unlock characters

Unlockable:                   How to Unlock:
Mr. Blik                      Finish "Fairy World"
Patrick                       Finish "Bikini Bottom"
Jenny                         Finish "Amity Park"
El Tigre                      Finish "Pupununu Village"
Invader Zim                   Finish "Retroville"
GIR                           Collect all of the character portraits