Ken Osmond~⚰

Who was best known for playing Eddie Haskell on Leave It to Beaver, has died. Osmond's son, Eric, confirmed the sad news in a statement to ET on Monday. He was 76 years old.

"He was an incredibly kind and wonderful father," the statement reads. "He had his family gathered around him when he passed. He was loved and will be very missed."

The cause of death is unknown.