Riddle of the Day

[big-daddy]

Riddle  of the Day

Arnold  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.
Obama is one.
Mickey Mouse has an unusual one. 
Liberace never used his on women..
Jerry  Seinfeld is very, very proud of his.
Cher  claims that she took on 3.
We never saw Lucy use Desi's.

What  is it?

[Paul_S]

Last name

[big-daddy]

we have a winner