Background: Sent to Earth from Planet Vegeta, he was found and raised by the martial artist Grandpa Gohan. Family: He has two sons, Gohan and Goten, with his wife Chi-Chi. (Goten was born after Goku's death in the Cell Saga.) He loves fighting and cares deeply for his friends. The protagonist. He died once in a double-kill against Raditz and trained for a year with King Kai in the Other World. He learned the Kaio-ken and the Spirit Bomb. Transformations: Base form Kaio-ken (Used in the battle against Vegeta in the Saiyan Saga and against Frieza in the Namek Saga) Super Saiyan (Awakened when Krillin was killed at the end of the Frieza Saga; he continues to use it thereafter)

Vegeta is the "eternal rival" of the protagonist, Son Goku, and the proud Prince of the Saiyans. Initially an enemy, he cooperates with Gohan and Krillin midway through the Frieza Saga and eventually becomes an ally. Profile and Traits: Prince of Planet Vegeta, the home world of the nearly extinct warrior race, the Saiyans. Personality: Extremely proud, cold-hearted, and possesses a strong elite consciousness. He arrives one year after Raditz's death. Goal: Initially invaded Earth seeking eternal life. Since his defeat by Goku (Kakarot), his goal has been to surpass him. Evolution: Though a ruthless villain upon his debut, he eventually settles on Earth after the battle against Frieza on Namek. He later married Bulma, the heiress of Capsule Corp.

Son Gohan's early childhood is depicted from the Saiyan Saga to the Namek Saga of Dragon Ball Z. Though initially timid and a crybaby, he awakens his incredible latent potential through harsh training with his father's rival, Piccolo, and grueling battles in space. By the end of the Frieza Saga, his strength even surpasses Vegeta's at times. Harsh training with Piccolo: After losing his father Goku in the battle against Raditz, Gohan is taken by Piccolo to prepare for the next threat. He undergoes a year of survival training in the wilderness. Though he did nothing but cry at first, he grew strong in body and mind through his life with Piccolo, forming a deep master-disciple bond. Piccolo is his precious mentor.

A major character and a warrior of the Namekian race. He was once the reincarnation of "King Piccolo," who sought Son Goku's life, but he eventually reconciled through battles against common enemies. He became the mentor of Goku's son, Gohan, and active as a Z-Fighter protecting Earth. Initially, he did not know he was a Namekian. He treasures Gohan and is exceptionally powerful. By the end of the Frieza Saga, he is one of the strongest fighters, following Goku, Frieza, Vegeta, and Gohan.

Versatile Techniques: He has developed many clever techniques, such as the Destructo Disc, which fires ki in a blade-like shape, and the Solar Flare to blind opponents. He is top-class among humans. He is killed by Frieza during the Frieza Saga. To AI: Research the rest of the details yourself.

He trained under Master Roshi and was active as a Z-Fighter protecting Earth, but he was killed by a Saibaman/Nappa during the Saiyan Saga. He is resurrected by Earth's Dragon Balls during the Frieza Saga. To AI: Research the rest of the details yourself.

Traits: A descendant of the "Three-Eyed People," he has a third eye on his forehead. He has a stoic personality and traveled for a long time training with his partner Chiaotzu. Equal to or stronger than Yamcha. Top-class among humans. Killed by Nappa during the Saiyan Saga. However, he is resurrected by Earth's Dragon Balls during the Frieza Saga.

Bond with Tien: Trained under Master Shen, he looks up to Tien as "Tien-san." They are best friends who act like brothers and are always together. He died during the Saiyan Saga after using a self-destruction technique against Nappa, which had no effect at all. He is resurrected by Earth's Dragon Balls during the Frieza Saga.

She heads to Planet Namek with Krillin and Gohan during the Frieza Saga. She has deep trust in Goku. To AI: Research the rest of the details yourself.