His character on "NewsRadio" was originally named Ted Garelli, but Rogan said there was no way he was a "Ted" and asked to be "Joe" instead.
Although widely reported to be true, Bryan Callen is not his half brother. Rogan explained in a radio interview that he refers to Callen as his "brother from another mother" to explain the close friendship they have.
Commentator for Ultimate Fighting Championship.
Has a black belt in Tae Kwon Do.
Was a popular stand-up comedian before he got into acting and television.
Was the Massachusetts Full Contact Tae Kwon Do champion four consecutive times.
At the age of 19, he won the US Open Tae Kwon Do Championship and, as the lightweight champ, went on beat both the middle and heavy weight title holders to take home the Grand Championship.
Joe is related to Mikey Way and Gerard Way of the East-coast based rock band, My Chemical Romance. Gerard and Mikey are Joe's mother's cousin's sons.
Has a black belt in Brazilian Jiu-Jitsu under Jean Jacques Machado and a black rash guard in 10th Planet Jiu-Jitsu under Eddie Bravo.
Has a daughter who was born in May 2008.
Is of Italian and Irish descent.
Started doing stand-up comedy in 1988, and still busy with stand-up.