Frank Bank

Frank Bank (April 12, 1942 – April 13, 2013) was an American actor, particularly known for his role as Clarence "Lumpy" Rutherford on the 1957–1963 situation comedy television series Leave It to Beaver.

Bank was cast in fifty episodes of Leave It to Beaver between January 24, 1958, until the series finale on May 30, 1963. Thereafter, he was cast as Clarence Rutherford in 101 episodes of the series sequel, The New Leave It to Beaver, which aired on cable television from 1983 to 1989.