you need to buy nibble the shark dude and go to funkiki island and go into nibbles gamesroom called chum divers and win the game and you get the chum recipe and then you go into the jungle and feed the pirahnas the chum recipe and youl be able to get across

yes he is in fanboy and chum chum. his debut ep. is "Wizboy".

chum does not eczisit but if you mean chum chum from fanboy and chum chum then i have to say i cant really understand you

chum chum is with fanboy not a unlockable character

no. they are friends on a show called fanboy and chum chum.