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