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