Timothy Patrick "Tim" Herlihy is an American film producer, screenwriter and actor. He is mostly well known for writing episodes of Saturday Night Live and writing/producing countless of with Adam Sandler's Happy Madison films. Herlihy produced/wrote (as well as made a few cameos in) comedies such as Billy Madison, Happy Gilmore, The Wedding Singer, Big Daddy, Grown Ups, and Pixels.

For Disney, Herlihy wrote and produced the 1998 Touchstone Pictures comedy The Waterboy and the 2008 Disney comedy Bedtime Stories (in which he also played Young Barry Nottingham).

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