EXCLUSIVE: Entourage creator/executive producer Doug Ellin has signed with CAA, which will also represent his company Fly the Coop Entertainment. He had been at WME for a long time. Ellin, whose HBO comedy Entourage is wrapping its eight-season run, is under a rich overall deal at the pay cable network. He is now prepping his new HBO pilot, the ensemble comedy 40 starring Ed Burns and Michael Rapaport. Before creating Entourage, Ellin worked in features, most notably writing and directing the 1998 movie Kissing a Fool.