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