A *cow*culater. I made it up myself, so don't groan at the pun.
Kim Jong Un what you thought it was Slim Jong Un? Sorry but you are not allowed to make puns on your supreme leader's name in North Korea
I've already got that the frog called our car club to get toad, but that's about where my puns end.
The cloths hanger only solves one problem.
Because they're all criminals and they look the same.
Sir. Groan worthy penguin jokes(https://allwrong.wordpress.com/2007/10/05/penguin-riddles/)
A groan up!
They're all, like, equal to me...