Answer:
A wise old man that's "mad as a hatter"
Explanation:
He is often times referred to as "the mad hatter" in the Disney movies that are based of of the classic tale told by Lewis Carroll. Although, Lewis Carroll never called him the mad hatter but, used the term "mad as a hatter" to describe him. He often times tells important and random pieces of wisdom that, later, helps Alice throughout the book and the movies.
