Villains

Frieza

  Frieza is an evil and very strong creature that is out to become the ruler of the universe. He terrorizes Planet Namek in search of the Dragonballs but he is met by Goku who foils his plans. Goku turns super saiyan and defeats Frieza but the planet blows up and Goku escapes aware that Frieza is still alive. Frieza is then repaired by his father and turns half cyborg. Friza then attacks earth but is killed by trunks.

The Ginue Force

  The Ginue Force includes Capt. Ginue, Juece, Racoom, Burter and Godo. The Ginue Force is destroyed on namek by Goku and Vegeta.

Buu

  Buu is the last villain in the DBZ series. He is brought back to life by Babi-Di fat Buu and becomes Babi's slave but fat Buu refuses destroying the earth and kills Babi-Di and makes friends with mr. satan and his puppy. he then creates Liitle Buu(evil), (fat Buu is  good) because the puppy is killed and he wanted to find the one who killed the puppy and kill him by using little Buu. Little goes evil and eats fat Buu but he is later destroyed by Veggito and Fat Buu joins the Z team but also Goku wishes Little Buu to be reincarnated as a good cleansed of evil so Goku could train him and make him a good warrior.  

Cell

   Cell was created in a lab by Dr. Gero to destroy Goku and his friends. When cell was released from his tube he attacked all even the androids that were also created by Dr. Gero. Goku then kills cell by sacrificing himself but cell rivives with a single cell and turns back to perfect cell. since Goku was dead Gohan destroyed Cell by turning super saiyan 2 which ended the Cell Saga.