Deathstroke (Slade Joseph Wilson) is a fictional super villain appearing in DC Comics. He is a mercenary and assassin who serves as the archenemy of the Teen Titans, specifically Dick Grayson. Over the years, writers have developed him as an adversary of other superheroes in the DC Universe as well, such as Batman and Green Arrow.
The character has been substantially adapted from the comics into multiple forms of media, including several Batman-related projects and the Teen Titans animated series. He has been portrayed in live-action by Manu Bennett on The CW’s television series Arrow, and by Joe Manganiello in the DC Extended Universe, beginning with a cameo in the 2017 film Justice League.