Do you want to compare Uncle Sam with Penguin? Discover the powers, weakness & weapons of Uncle Sam and Penguin from Uncle Sam Biography and Penguin Biography. Find out all about Uncle Sam and Penguin.# Check out how is Uncle Sam unique and distinct from Penguin. Discover their love interest, sidekicks, family tree and the movies and games list in which Uncle Sam and Penguin have appeared. Find out everything about them here!