J. J. Sedelmaier is an American illustrator, designer, author, and film director/producer, known for co-creating (with Robert Smigel) "Saturday TV Funhouse" that includes The Ambiguously Gay Duo and The X-Presidents on the TV series Saturday Night Live, the Tek Jansen series on The Colbert Report, the interstitial cartoons seen in the USA TV series, Psych, and over 500 other TV and advertising projects.