Deadpool is a character appearing in American comic books published by Marvel Comics. Created by Fabian Nicieza and Rob Liefeld, the character first appeared in New Mutants #98 (December 1990). In his comic book appearances, Deadpool is initially depicted as a supervillain of the New Mutants and X-Force, though later stories would portray him as an antihero. Deadpool is the alter ego of Wade Wilson, a disfigured Canadian mercenary with superhuman regenerative healing abilities. He is known for his tendency to joke incessantly and break the fourth wall for humorous effect.