The Doctor (Earth-5171)

The Doctor is the least of the Time Lords and a former Time Master. When his kind where killed by Darkseid. He begged his fellow Time Masters for action to undo Darkseid's tyranny. But when his pleas fell on deaf ears, he chose to go rogue, stealing an obsolete Type 40 TARDIS. He has saved the cosmos thousands of times throughout his long life, leading to him becoming a great legend across the whole universe. He is a member of the Cabal.