Big head mode:
Press Circle, X, Triangle, Square, Select, Up, L1, L2, R1, R2 at the title screen.

Submission: Al Amaloo (vgstrategies.miningco.com)

Funny head mode:
Press Circle, X, Triangle, Square, Select, Down, L1, L2, R1, R2 at the title
screen.

Submission: Al Amaloo (vgstrategies.miningco.com)