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