Anti-hero of a certain comic

Introduction: I used to be a vigilante in Star City, and I also witnessed the darkness and evil of Gotham.I was one of the speedsters, and I was illuminated on the emotional spectrum.I watch the earth with the son of Krypton, and also walk between the new gods and the old gods.I stand in front of the wall of origin, a wallfacer with a sharp sword in my hand.I'm sitting in the Möbius chair overlooking the multiverse.The great games and games have begun.Welcome to my world!