The Flash (Bartholomew Henry "Barry" Allen) is a superhero and member of the Justice League in Teen Titans Go!. He first appeared in "The Return of Slade" as a statuette in Alfred's Toy Cave, before reappearing in "Some of Their Parts" alongside his fellow Justice League members. He is also mentioned in the episode "Two Parter," and his mantle as The Flash is assumed by Starfire throughout the duration of the mission to rescue him and the other Justice Leaguers from Darkseid. Later on, he is seen briefly in a tank, which Darkseid held him captive.
Flash has a characteristic red garment, and with a mask covering the face belonging to. Located in the middle of the shirt is clearly visible, bright Lightning Symbol. The dress' elbow-part of is also a Lightning Symbol network processes over.