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