John Hamilton Davidson, Sr. (born December 13, 1941) is an American game designer who is more famous for being a singer, television host, actor, and game show host. He and his wife Rhonda Rivera-Davidson designed a series of games called Borderline to help teach their kids geography. These card games test one's existing knowledge about which regions border each other with players bluffing and challenging each other to add to the excitement.
This person is one of the Famous (non-game) People on the Geek.