Peter Marshall "a.k.a the original 'Master' of The Hollywood Squares" (1966-1981)
John Davidson (1986-1989)
Tom Bergeron (1998-2004)
as always folks vote and comment.discuss
p.s. John "bowser" Bauman does not count since he hosted the Hollywood Squares half of the one hour long NBC daytime bombfest that was once called The Match Game/Hollywood Squares Hour from (1983-1984).