Richard Lewis is a Jewish comedian. He has starred in such sitcoms as Hiller & Diller, Curb Your Enthusiasm and Anything but Love. He also plays a rabbi on 7th Heaven.
Lewis claims to be the originator of the expression "the blank from hell" as in "the date from hell" or "the roommate from hell". This theory is expounded in the Curb Your Enthusiasm episode "The Nanny From Hell".