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