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