Played rugby at the University of Oregon; when he broke his hand, he signed up for theatre classes.
Once roomed with actor David Cross.
Consultant for three seasons of HBO's Sex and the City, which featured his phrase, "He's just not that into you," in the season six episode "Pick-a-Little, Talk-a-Little." He eventually co-authored a self-help book based on the concept, which was turned into the 2009 movie He's Just Not That Into You.
Wrote It's Called a Breakup Because It's Broken: The Smart Girl's Breakup Buddy (2005) with his wife, Amiira Ruotola-Behrendt.
Sings in Black Rattle, a band that plays metal versions of children's songs.
Has tattoos of the names of his wife and two children.
Kristen — Sister
Amiira Ruotola-Behrendt — Wife
Mighty Luna Behrendt — Daughter
Bella True Behrendt — Daughter
University of Oregon, Eugene, Oregon, United States (BA in Theatre Arts, 1991)
Birth Name: Gregory Paul Behrendt
Birth Place: San Fernando, California, United States