Do you like this riddle?

A riddle for 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.
> Bush 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? Answer below! (this is pretty good )
“A Last Name.”