TJ Hoban is an actor, writer, and fitness model born in Chicago December, 16 1978. He's best known for his recurring role as Rex on It's Always Sunny in Philadelphia (2008-2013) and is considered one of the top fitness models in the industry, appearing on over 100 fitness magazine covers. His first acting role was in Babylon 5: The River of Souls (1998) as Durfal, a male hologram opposite Nikki Ziering. He's the writer, producer, and lead actor of slapstick comedy Venice Heat (2011). TJ resides in Los Angeles where he continues to further his acting and fitness career.