Frank Miller, Believe It or Not, Was Influenced by Dr. Seuss By Granger Willson Frank Miller, creator of The Dark Knight Returns, 300, and Sin City, explains to us why he was walking around San Diego Comic-Con with a small Cat in the Hat pin fastened to his lapel. Read More Tags: original video san diego comic con 2017 sdcc 2017 July 24, 2017 Watch Now Frank Miller, Believe It or Not, Was Influenced by Dr. Seuss