Answer:
What animal would you get crossed a duck, a beaver, and an otter?
They don't forget.
A huge mythical animal said to resemble a whale.
John Lennon sang about being this toothy creature.
A dark-colored creature serenaded by Lennon and McCartney.
Do what he says and you'll be fine, don't and you lose the game.
Animal
Difficult
Easy
Food
Funny
Kids
Logic
What am I?