Rob Liefeld is an American comic book artist and writer, best known for co-creating popular characters such as Deadpool, Cable, and X-Force. He gained prominence in the early 1990s during the rise of independent comic book publishers, particularly with his work at Image Comics, which he co-founded. Liefeld's distinctive art style features exaggerated proportions and dynamic poses, which have sparked both admiration and criticism. Despite the mixed reviews, his contributions to the comic book industry have had a lasting impact, influencing a generation of artists and shaping the superhero genre.