Prior to his run on the series, he starred in his own half-hour special on Comedy Central along with hosting The X Show on FX.
On the big screen, Valentine has appeared in Stuck on You and I Now Pronounce You Chuck and Larry.
He also had a cameo in Jerry Seinfeld's documentary, Comedian.
More recently, he makes occasional appearances as a round table comedian on the popular E!
James married actress Steffiana de la Cruz on June 19, 2004.