The Living Tribunal
The Living Tribunal is a single entity existing across the entire Marvel Multiverse. He is the one of the most powerful beings in the Marvel Multiverse, surpassing the likes of the Celestials, Galactus, Eternity, Death and Infinity.
Although his primary self was destroyed in Earth-616, a small part of his being still remains active though relatively unnoticed on Earth-199999.
Powers and Abilities
The Living Tribunal is the embodiment of the Marvel multiverse. It also stated that it represents a force that dwarfs the Infinity Gauntlet.