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