Frieza

Frieza is one of the main villains of the Dragonball Z series. He is considered the most powerful being in the universe and is the leader of the planet trade and is feared by his followers due to his ruthlessness and power. Frieza is also afraid that one day, a Super Saiyan would destroy him for good so he decided to destroy the Saiyan race along with Planet Vegeta, leaving Goku, Vegeta, Raditz, Tarble, Turles, and Nappa as the last survivers of their race.