In The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies , Jimmy brings back an alien stowaway from a comet, which turns into a monstrous creature upon hearing music, causing chaos in Retroville. Jimmy must then use his inventions and inventions, along with his friends, to capture the creatures and save the town from the creatures' violent, musical-driven transformations. Detailed information on the game's story can be found on Jimmy Neutron Wiki and Wikipedia . Attack of the Twonkies | Jimmy Neutron Wiki | Fandom