What was the name of the movie in the late 80s or early 90s about the guy who has a orb put in him that transforms him into a robot to fight monsters i think it was the giver sounds like diver?

The movie is called Guyver (1991). The cast includes Mark Hamill and Jimmie Walker. It is about a young man who discovers a device that, when merged with his body, turns him into a superhero cyborg.