Palo the Rhino and Dirk the Bear are the leaders of two Freedom Fighter groups. They appeared at the end of the episode Cry Of The Wolf. They were introduced in the final episode The Doomsday Project, yet they had no dialogue whatsoever. They set out to raid Robotnik's station, only to be captured. After Sonic and Sally used the Deep Power Stones to destroy the machine, everyone escaped voice by Jim Cummings (Palo) and Michael Bell (Dirk).