The Living Tribunal is the most powerful creature in the Marvel Universe, the supreme judge of all reality, but readers are probably unaware that the one responsible for the creation of its current iteration is none other than Thanos, the Mad Titan.
The Tribunal first appeared in a Doctor Strange story, «The End of the Ancient One!» in Strange Tales #157, by Stan Lee and Marie Severin. The function of this cosmic entity is to safeguard the Multiverse from anything threatening to upset the cosmic balance. The One-Above-All (Marvel's equivalent to God), created him to fulfill this purpose, and as such the Tribunal is considered nearly omnipotent. For example, his «judgment» can nullify even the power of the combined Infinity Stones. This is possible because, contrary to other cosmic beings, the Living Tribunal does not have a counterpart in each universe, there is only one in the whole Multiverse.
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After his first sporadic appearances, the Living Tribunal established his role as the supreme being in the universe in the aftermath of the Infinity Gauntlet saga. After Adam Warlock acquires the Gauntlet, his right to absolute power is contested by the assembled cosmic beings, including Eternity, the embodiment of reality, who feels usurped. The Tribunal presides over the trial and rules that Warlock is unfit to possess the power of the Gauntlet, which leads to the distribution of the Stones (then known as Infinity Gems) among the members of the Infinity Watch. For the occasion, the Tribunal even borrows a famous Spider-Man line, saying, "With great power comes great responsibility and little happiness." The Living Tribunal and Adam Warlock's paths, however,
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