The Doctor
From Tardis Wiki, the free Doctor Who reference
He saves worlds, rescues civilizations, defeats terrible creatures and runs a lot. Seriously, there's an outrageous amount of running involved
The Doctor was a Time Lord from the planet Gallifrey who, as a renegade, fought injustice where he found it; he only occasionally carried out missions for the Time Lords (DW: Genesis of the Daleks). Later, he was believed (or he believed himself) to be the only Time Lord to survive the Last Great Time War with the Daleks. Throughout his life, he had a particular association and affinity with the planet Earth and its Humans.
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He's rather ghey. Srs.