FafaA talking groundhog who is usually the smarter of the two.
MarioThe other main character. Imagine Elmo with a different accent, deeper voice, somewhat more educated, wears a yellow shirt, shaved and with a wispy beard and tuft of hair and you have Mario. His species is unknown.
GorillaA gorilla who mostly speaks in 'mehs'.
ThorA heavily exaggerated version of Thor, complete with booming voice and arrogant personality
ZombieA zombie (akin in design to those from Plants vs. Zombies) who makes appearances
Jack WoodsA nature specialist who is quite knowledgeable about rabbits...and may be insane.
Blake Worthington and BungoTwo Simian News Reporters, Blake is the Chimpanzee and Bungo is the Orangutan
Johnny TFafa's cousin from Brooklyn...who happens to be a toad.