John Harvey (born June 13, 1951) is an American television and radio personality, often credited by his last name. He was the announcer for Double Dare, Finders Keepers and History IQ and hosted and built projects on Gimme Shelter, a home improvement program on The Discovery Channel in the late 90s. On Double Dare, he was referred to as "Harvey the announcer" or "Harvey". Prior to his announcing duties at Nickelodeon, Harvey had worked at Philadelphia radio station WIOQ from 1977 to 1989, where he was known as "Harvey in the Morning". The show then moved to WMGK and lasted until the early 90s.