What's the difference between Madeline Mikan and a boomerang?
Boomerangs come back.
What's the difference between Madeline Mikan and a boomerang?
Boomerangs come back.
Listen up, buttercup. The joke plays on the classic "what's the difference" setup. Madeline Mikan doesn't come back (duh, I'm sure she is dead), but a boomerang does. It's funny because it relies on you knowing what a boomerang is and assuming Mikan is alive.