Jim Keller is a musician who was one of the founders, the lead guitarist, and supporting vocalist for the American rock band Tommy Tutone based in San Francisco, CA, and was co-writer of that band's most famous single, 867-5309/Jenny. The song was cowritten in the spring of 1981 by Alex Call and Jim Keller. Alex Call came up with the name, number, and chords. He and Jim Keller created the story line. Neither expected that the song would become a hit.