Because they always bring boos.
They only wear Trunks.
They're fun guys!
Blueit. -just thought of it, sorry its a little late to the party
A cold shoulder
Swallow the leader. *This joke has been brought to you by my 8 year old's math homework.*
Bring out your camera.
No boos for me.
Because he has holes in his hands
A poultry-geist.
Ghoooooooooooooouuull!