Jennifer Ann "Jenny" McCarthy-Wahlberg (born November 1, 1972) is an American comedian, actress, TV personality, radio personality, author, activist, and model. She began her career as a Playboy magazine model in 1993, before launching a television and film acting career. She has written books about parenting, and has become an activist promoting claims—not supported by medical evidence—that vaccines cause autism and chelation therapy helps cure it.