First Appearance: Detective Comics #27 (May 1939)
Height: 6' 2"
Weight: 210
Skills: Master of 127 martial arts, mental and physical human peak, and considered the worlds greatest detective.
Allies: Dick Grayson/Robin/Nightwing, Alfred Pennyworth, Police Commissioner Jim Gordon, Clark Kent/Superman, Justice League.

Batman's secret identity is Bruce Wayne, a wealthy industrialist, playboy, and philanthropist. Witnessing the murder of his parents as a child leads him to train himself to physical and intellectual perfection and don a bat-themed costume in order to fight crime. Batman operates in the fictional Gotham City, assisted by various supporting characters including his sidekick Robin and his butler Alfred Pennyworth, and fights an assortment of villains influenced by the characters' roots in film and pulp magazines. Unlike most superheroes, he does not possess any superpowers; he makes use of intellect, detective skills, science and technology, wealth, physical prowess, and intimidation in his war on crime.

(Source: Wikipedia)