Sean Patrick Szeles (born April 26, 1981) is a supervising producer, former supervising director, outline writer, former writer and storyboard artist and occasional voice actor for Regular Show. On Regular Show, he composes and sings most of the show's songs: Party Tonight (later re-sung by J.G. Quintel), Summertime Loving, Loving in the Summer (Time) and its tape, and more. During season four, Szeles was promoted to helping with story outlines, alongside J.G. Quintel, Mike Roth, John Infantino, Matt Price and Michele Cavin, leaving it uncertain if he will continue storyboarding.