Answer:
John Lennon sang about being this toothy creature.
I am a large mammal that lives in the ocean and sprays water from a blowhole. What am I?
I'm a mammal that can fly and I sleep hanging upside down. What am I?
Old Grandpa Diddle Daddle jumped in the mud puddle, green cap and yellow shoes. Guess all your loftiness and you can't guess these news.
It rows quickly with four oars but never comes out from under his own roof. What is it?
What language does a billboard speak?