Question: is power man and luke cage the same person

Answer: Yes, Luke Cage, also known as Power Man (birth name Carl Lucas), is a fictional superhero appearing in American comic books published by Marvel Comics. Luke Cage first appeared in Luke Cage, Hero for Hire #1 (June 1972) and was created by Roy Thomas, Archie Goodwin and John Romita Sr. He was the first black superhero to be featured as the protagonist and title character of a comic book.