Terry is the biological son of Bruce due to Amanda Waller's involvement in creating a new Dark Knight under Project Cadmus' final project, Project: Batman Beyond. In 2011, he entered the official DCU. Batman (Tlano) is an alien that brought Batman to his world Zur-En-Arrh to help him become his planet's hero and to battle robot invaders piloted by an unnamed alien race. Harvey Harris: Harvey Harris was a detective from Gotham City (Earth-One continuity). He trained young Bruce Wayne in the art of criminal detection and provided the young boy with his first costumed identity - Robin. Bruce helped his mentor try to stop the KKK in Detective Comics Annual in 1989. Harris is good in combat, claims to have a black belt and uses a gun. Carrie Kelley: Carrie Kelly became the first female Robin (chronologically, though not canonically) in 1986's Batman: The Dark Knight Returns. In Batman: The Dark Knight Strikes Again, the follow-up to DKR, Carrie is called Catgirl, as an homage to Catwoman. In The Dark Knight III: The Master Race, she became Batwoman. In 2013, she entered the official DCU. Huntress (Helena Wayne): Pre-Crisis, the Huntress was Helena Wayne, daughter to Earth-Two's Bruce Wayne and Selina Kyle (Catwoman). In 2011, she entered the official DCU. Another Huntress (Helena Bertinelli) has no biological relations to Catwoman or Batman. Blackwing (Charlie Bullock) was a lawyer that become a hero patterned after Batman (after the hero's death) on Earth-Two. He would team with that Earth's Huntress. The Ninja (Kyodai Ken) was Bruce Wayne's rival in the way of the samurai under Yoru in Batman: The Animated Series. He would later return as an enemy in the series. Proto-Bot was a prototype Bat-Bot introduced in Batman: The Brave and the Bold. Sarah Essen (aka Sarah Essen Gordon) is in most continuities the wife or love interest of Police Commissioner James Gordon. She is Gordon's former partner and later takes up the mantle as the Commissioner after Jim is demoted by Mayor Armand Krol. She was first seen in Batman #405. Essen Gordon first appeared in Batman #405 and was created by Frank Miller and David Mazzucchelli's Batman Year One. See also List of Green Arrow supporting characters List of Superman supporting characters List of Wonder Woman supporting characters List of Green Lantern supporting characters List of Aquaman supporting characters References Lists of supporting characters in comics Supporting