Hard
Duck Riddle
Arnold Schwarzenegger's is really long. Michael J. Fox's is short. Daffy Duck isn't human. Madonna doesn't have one. What am I?
Choose an answer
A.A signature
B.A shadow
C.A nickname
D.The last name.
Answer: The last name.
Each person or character mentioned has a distinctly different last name — long, short, none for a cartoon duck, and a single stage name for Madonna — the riddle is about the concept of a "last name" itself.