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