Abraham Rubin Hercules Benrubi (born October 4, 1969) is an American actor. He is known for his appearances as Jerry Markovic on the long-running medical television drama ER, for his first role as Larry Kubiac on the series Parker Lewis Can't Lose, Dennis in Without a Paddle, and for his voice acting on the Adult Swim claymation series Robot Chicken as well as numerous video games including many in the World of Warcraft series.