He considers himself as a roller coaster enthusiast, and while at Kennywood, PA. The 'Jack Rabbit' is celebrating its 90th anniversary this year, one of the oldest roller coasters in the world. A man by the name of Vic Kleman, of Knoxville, took his 4,000th ride on the Jack Rabbit on Sunday, and he's 78 years old. Proving one is never too old to have fun.

Source: 78-Year-Old Knoxville Man Reaches 4,000 Rides On Kennywood's Jack Rabbit For Ride's 90th Anniversary - kdka.com