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