John G. Brennan (born January 12, 1961), a.k.a. Johnny B., is an American actor, film writer, and voice actor. He is a member of the Jerky Boys prank call duo, with Kamal Ahmed, who formed in 1989 and split up in 2001, but reformed in 2006. He was born in New York City, New York.

On Family Guy, he is the voice of Mort Goldman, a friend of Peter Griffin's and owner of Goldman's Pharmacy, as well as the voice of Horace, who was the owner and bartender at The Drunken Clam.

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