Answer:
He's small but he can climb a tower.
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
I travel the world and I am drunk constantly. Who am I?
What is an acceptable act of violence during saint Patrick's day?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?