Tony S. Daniel is an American comic book writer and artist, known for his work on various books for DC Comics, including Teen Titans, Flash: The Fastest Man Alive, and Batman and Deathstroke and Nocterra as well as many other books as well as many covers for both Marvel and DC Comics.
Daniel at the New York Comic Con, October 2012
Deathstroke is a supervillain appearing in American comic books published by DC Comics. Created by writer Marv Wolfman and artist George Pérez, the character debuted in The New Teen Titans #2 as Deathstroke the Terminator.
Slade as depicted in Teen Titans
Deathstroke as depicted in Batman: Arkham Origins (2013)
Image: Titans Deathstroke