According to the entry of Darth Vader's armor on the website Wookieepedia, the helmet is made of durasteel, obsidian, and plasteel. To learn more about the suit, you can follow the related link below
The picture above is what Darth Vader looks like without his mask. He is very pale without almost powdery white skin, red-rimmed eyes, and scarring on his face and head.
Bart has been continued as a character for longer
Mentioned in the movies: Darth Plagueis Darth Sidious (Senator/Chancellor Palpatine) Darth Maul Darth Tyranus (Count Dooku) Darth Vader (Anakin Skywalker) In the Expanded Universe (comics, novels, games, etc.), there are dozens more, e.g. Darth Bane, Mara Jade, Asajj Ventress, Darth Talon, Darth Sion, Darth Malak, Darth Revan, etc.
Darth Vader doesn't have a dog
Trioculus finds Darth Vaders right-hand glove in the novel, "The Glove of Darth Vader", written by Paul and Hollace Davids.
imperial storm troopers
No there is only one Darth Vader. Once known as Jedi, Anakin Skywalker.
Darth Vader (Classic) - FM4JB7 Darth Vader Battle Damaged (Classic) - NMJFBL
If you mean Starkiller, he was voiced by Sam Witwer
His name is Luke Skywalker because Darth Vader is really Anakin Skywalker.
Luke. Search your feelings, you know it to be true.
Anakin Skywalker is hidden under the helmet.