marvin andrew sturmer (born march 11, 1965) is an american musician, singer, songwriter, and composer. he co-founded the rock band jellyfish in 1989. he was the group's lead vocalist, drummer, and primary songwriter. following their break-up in 1994, sturmer became involved with tamio okuda, as writer and producer for the japanese pop duo puffy amiyumi. although sturmer maintains a low public profile, he continues working as a songwriter for cartoons produced by disney and cartoon network and the music in ben 10 and the juice 2012 and 2014.