Red X is a fictional character from the Teen Titans animated show who debuted in the episode "Masks".[1] Originally, Red X was used an alternate identity for Robin in order to get closer to Slade. Later, an unknown person stole the name and costume, although this was never confirmed.[2] The new Red X's motives are usually selfish & unknown. Both versions of the character uses a variety of skill and gadgets to defeat anyone who stands in his way.