Sad news for "Leave It To Beaver Fans" as Frank Bank, who played "Lumpy," the neighbor and often times tormenting friend of young Theodore Cleaver, died. He was 71. Often accompanying the smarmy Eddie Haskell in scene, Lumpy Rutherford was one of this classic American TV sitcom's memorable characters. CNN reported that Frank Bank, who played Clarence "Lumpy" Rutherford on "Leave It to Beaver" died Saturday, a day after he turned 71. No cause of death was given. The series - which aired from 1957 to 1963 - starred Jerry Mathers as Beaver Cleaver, Barbara Billingsley as mum June, and Hugh Beaumont as dad Ward, always being warned about some sort of trouble with the "Beaver." Ken Osmond starred...