Vader Doppelganger

After Proto Man turned against Dr. Wily and his robots and joined his brother Mega Man, Dr. Wily developed a robot doppelganger of Darth Vader to destroy Proto Man and Mega Man! The Vader Doppelganger was very powerful! He looked like Darth Vader, except he was all evil! The Vader Doppelganger was armed with a plasma cannon! He also had a lightsaber for a weapon! The Vader Doppelganger was destroyed by the combined might of Mega Man and Proto Man!