Cooler

Cooler is the main villain of the fifth Dragonball Z movie, Cooler's Revenge. He is the oldest brother of Frieza and the eldest son of King Cold. In the movie, he seeked revenge on Goku for killing his brother but was quickly defeated when Goku turned into a Super Saiyan. He returned again as the main villain in the sixth Dragonball Z movie, The Return of Cooler. Only this time he fused with a computer chip that absorbs mass amounts of spaceship and satalite parts and became part of the Big Gete Star. However, he was unltimately defeated by Goku and Vegeta.