A sandwich!
or
Bozo The Clown has real hair on his head.
or
Shamboo!
Frankenstein: Witch can you make me a lemonade?
Witch: Poof you are a lemonade!
or
I just can't think of one atm.
or
Because you can see right through them!
or
A porcupine with split ends
or
Because he was outstanding in his field.
or
A dead centipede.
or
None. They will never find a bulb that burns as brightly as the old one.
or