Riddle

Arnold Schwarzenegger has a big one, Michael J Fox has a small one, Madonna doesn't have one, the Pope has one but he never uses it, Bill Clinton has one and he uses it all the time! What is it?

Choose an answer

A.A first name
B.A nickname
C.A middle name
D.A surname
Hint: It's a 2-word phrase with 8 letters, starting with "A".

Answer

A surname

Why this is the answer

Schwarzenegger's surname is long, Fox's is short, Madonna performs under one name only, the Pope goes by a papal name instead, and Bill Clinton is famous for signing (using) his.

This riddle is filed under "What Am I?" Riddles and rated Hard.