They were both two shellfish
An elk It has the E, the L, and the K. Would like to hear some more if you guys have any.
A Biceptual
The octopus, obviously, the three others are crustaceans.
A tuna, because the rest of them are crustaceans.
Because he's shellfish!
Because they were both too Shellfish.
So they can win one every now and again. (Thanks, John Cleese! This was too good not to share.)
ME: Because we only anticipated having one of you.
You're two shellfish."
Mussel cars.