Darth Vader is a video game character that comes from the Star Wars series. He is the main villain from the film trilogy and also appears in many of the games.
Darth Vader is often depicted as a cruel and evil person, but he does love his son, Luke Skywalker. In the final battle of Star Wars: The Empire Strikes Back, Darth Vader spares his son.
There were many parts of the movie where Darth Vader is seen strangling his staff members.
Spoilers end here.