Dave Cockrum was an American comic book artist and writer, best known for his work on Marvel Comics. He played a significant role in revitalizing the X-Men series in the 1970s, introducing popular characters like Storm, Nightcrawler, and Colossus. His unique art style and storytelling helped shape the direction of superhero comics during that era. Cockrum's career began in the 1960s, and he worked for various publishers, including DC Comics. He was also known for his contributions to Legion of Super-Heroes and other titles. His influence on the comic book industry is still recognized today, and he is remembered as a key figure in the development of modern superhero comics.