Danny Madigan is a fictional character from the 1993 film Last Action Hero, directed by John McTiernan. He is a young boy who loves action movies and finds himself transported into the film world of his favorite hero, Jack Slater, played by Arnold Schwarzenegger. Danny's adventure begins when he discovers a magical movie ticket that allows him to enter the cinematic universe. In the film, Danny navigates the exaggerated realities of action movies, where he must help Jack Slater defeat villains and save the day. The story explores themes of fantasy versus reality and the impact of movies on a young person's imagination.