Indomitable Will: He has no known superhuman powers, but he does have an almost superhuman "force of will". Batman's unstoppable determination, sense of discipline and morale, and strength of will make him an extremely formidable opponent. This makes him able to function while tolerating massive amounts of physical pain, and also allows him to resist telepathy or mind control. His willpower is strong enough to operate a Green Lantern Ring when necessary. He is also unshakably devoted to his solemn vow never to kill, in spite of his vicious inner temptation to do so - the latter of which factors is displayed prominently when facing the Joker.
As Batman's ally in the Gotham City police, Commissioner James "Jim" Gordon debuted along with Batman in Detective Comics #27 and has been a consistent presence ever since. As a crime-fighting everyman, he shares Batman's goals while offering, much as the character of Watson does in Sherlock Holmes stories, a normal person's perspective on the work of Batman's extraordinary genius.
Master Detective: He is considered as the "World's Greatest Detective", almost without peer. Bruce is capable of observation, forensic investigation, and inductive and deductive reasoning of the highest caliber. Human intuition is an unlearnable trait and one of Batman's most effective tools. Given any mystery, he can arrive at any conclusions with a fraction of the data. He has aided GCPD in solving hundreds of inconclusive crime.
Harley Quinn: Best known as "The Joker's Girlfriend", Harley has had occasional romantic encounters with Batman, most notably her kiss with him in the episode Harley's Holiday from Batman: The Animated Series. Recently, in the The New 52, there have been a couple of stories in which Harley became infatuated either with Bruce Wayne or Batman. These attractions appear to be entirely one-sided and Batman has shown no signs of attraction towards Harley.
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