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