Which performer is associated with '5150'?

What is associated with: 50s tv puppet thats the subject of a 1999 custody battle between the dia its owners heirs? Based on the clue '51 men have held this post that tells members of t...', what is the answer? Based on the clue '511 is another way to say it tmi', what is the answer? Based on the clue '512 feet below sea level lake assal', what is the answer? Based on the clue '52 billion 6 bil richer this year despite handing ...', what is the answer? Based on the clue '52 feet below sea level lake eyre', what is the answer? What is associated with: 52 in 1965 with the san francisco giants? What is associated with: 52 people leaving this country january 20 1981 made world headlines?