A riddle for you!

I have just read a very interesting riddle, and would like to share it with you.

See if you guess the answer and solve the puzzle!

Schwarzenegger has a big one,

Michael J. Fox has a small one,

Madonna doesn't have one,

The POPE has one but doesn't use it,

Clinton uses his all the time,

Mickey Mouse has an unusual one,

George Burns' was hot,

Liberace NEVER used his on women,

Jerry Seinfeld is very very proud of his,

We never saw Lucy use Desi's

what is it?

ANSWER: A last name, of course! Were you thinking about...?! Oh, you sure have a pervert mind!

Oh, God! Joanna did it this time! Did what? Find out here!