 The Beaver was based on Connelly's son Ricky.Theodore "Beaver" Cleaver was portrayed by Jerry Mathers in the pilot, "It's a Small World"; the original series; the spinoff telemovie, "Still the Beaver"; and the sequel series, "The New Leave It to Beaver".In the reunion telemovie and the sequel series, the Beaver is a divorced father of two children living at home with his widowed mother, June.