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