Possible Clues:

• American comic actor (1922-2014
• 'It's a Mad, Mad, Mad, Mad World' co-star
• Star of 'Your Show of Shows' of 1950s TV
• Host of the 1950s' "Your Show of Shows"
• Host of the 1950s' 'Your Show of Shows'
• Early TV comic known for 'Your Show of Shows'
• 1950s TV personality who appeared in 'Grease'
• *'It's a Mad, Mad, Mad, Mad World' actor, 1963
• 2006 TV Land Pioneer Award recipient