Answer:
A man walks out of a house that has four walls all facing north. A bird walks past him. What is it?
People take me on walks and I run and have fun. What am I?
I have eight to spare and am covered with hair.
The ones in the sea are prickly, but the ones on the street might pickpocket you.
The ninja turtles call this place home, as do mythical alligators.
You use it between your head and your toes, the more it works the thinner it grows.