(An image of Ken Osmond is displayed.) Social psychologists studying ingratiation have a perfect case in the way this friend of Wally Cleaver acted toward adults
But Tony Dow, who played Wally Cleaver, is 68 and going strong 
as a ... played the trouble-making Eddie Haskell, is 70 and has continued to act ... 
15 Haunted Places In America That Make Perfect Halloween Day Trips.