From Wikipedia, the free encyclopedia. Paul Dinello (born November 28, 1962) is an American actor, comedian, writer, director, and an alumnus of Chicago-based The Second City, Improv Institute, and Annoyance Theatre. He is best known for his role on Comedy Central's Strangers with Candy as Geoffrey Jellineck, the closeted gay art teacher at Flatpoint High, who carries on a not-so-secret relations... show more