Mario Superstar Baseball

Gamecube

Beat Challenge Mode with the indicated characters to unlock the following hidden characters:

Donkey Kong	Get Dixie Kong
Yoshi	Get Baby Luigi
Wario	Get Petey Piranha
Mario	Get Monty Mole
Peach	Get Toadette
Bowser	Get Hammer Bro

Thanks to Revolution readers nintenfan and stormy!