One's a spineless, poisonous blob. The other is a form of sea life.
or
He made an illegal ewe turn.
or
It needed a root canal.
or
Because he want to wake up some day as America's First Dictator.
or
Bike helmets don't fit hippos
or
but he said "You said I could have two carry on items!"
or
There are footprints in the butter.
or