throughout the series. His largest role is in the two-part episode "Feat of Clay", where Matt Hagen attempts to kill him under the guise of Bruce Wayne and under orders of Roland Daggett. In an early episode of Batman Beyond, "Black Out", Lucius Fox has a son, Lucius Jr., who does not appear in the TV series. In a conversation between Bruce Wayne and the villainous Derek Powers, it is revealed that Lucius Jr. was a vice president of Wayne Enterprises before Powers took over the company and fired him. This caused Lucius Jr. to form his own technology company, Foxteca, which soon becomes a target of corporate sabotage by Inque, acting under Powers' direction. Bruce warns Powers to stop the sabotage, as the Fox family have long-standing ties to the Waynes. Lucius Fox appears in The Batman, voiced by Louis Gossett Jr. This version of the character is based on the version from Christopher Nolan's Dark Knight Trilogy, being an old friend of Bruce Wayne's father, and knowing Bruce's secret identity as Batman. He helped design most of his arsenal along with the construction of the Batcave beneath Wayne Manor. Lucius Fox appears in DC Super Hero Girls, voiced by Phil LaMarr. This version is a teacher at Super Hero High. Lucius Fox appears in Harley Quinn, voiced again by Phil LaMarr. He appears in the season 2 episode "Batman's Back Man", when Bruce tasks him with building a high-tech Batsuit to compensate for injuries he sustained in the season one finale. Live-action A younger Lucius Fox appears in Gotham, portrayed by Chris Chalk. He first appears in "The Anvil or the Hammer" where he is introduced to a young Bruce Wayne by corrupt Wayne Enterprises executive Sid Bunderslaw. He tells Bruce about his father being "a very guarded man" and "a true Stoic" before sending him on his way. This clue helps Bruce discover his father's secret life. Fox later reappeared in the show's second season and is asked by Bruce to fix the computer Alfred destroyed with Wayne Enterprises' secrets and research. Fox confirmed that the computer can be fixed but it will take a while. In "Rise of the Villains: Worse Than a Crime," Lucius Fox emerges from the secret room to tell Bruce and Alfred that he fixed the computer only to find them not there and that there were signs of a struggle. Lucius