What’s so funny about moose?

Arthur (1981)

“… where is the rest of this moose?”
“You must have really hated this moose.”

Murder by Death (1976)

WANG: “Voice come from cow on wall!”
LIONEL TWAIN: “Mooooose! Moooose, you imbecile!:

National Lampoon Vacation (1983)

And, of course…