Chi-Chi, the princess of Fire Mountain, is a supporting character in the Dragon Ball franchise. She's the wife of Goku and mother of Gohan and Goten. Chi-Chi starts as a shy girl who matures faster than Goku, becoming a fierce, tomboyish adult. She's a skilled martial artist trained by her father, the Ox-King, and even competed in the 23rd Tenkaichi Budoukai.

Bulma is a central character in the Dragon Ball franchise, appearing in the first manga chapter in 1984. She's a scientist, inventor, and co-owner of Capsule Corporation, a company responsible for much of the planet's technology. Bulma is Goku's first friend and eventually marries Vegeta, becoming the mother of Trunks and Bulla. Bulma is a brilliant inventor, most notably creating the Dragon Radar to track the seven magic Dragon Balls.

Son Gohan is a prominent character in the Dragon Ball series and the eldest son of Goku and Chi Chi. He's a half-breed Saiyan with latent power and a preference for scholarship over fighting. Gohan's name comes from Goku's adoptive grandfather, who instilled much of Goku's morality and personality. As a child, Gohan is polite, shy, and easily brought to tears. He dreams of becoming a scholar to make his mother proud.

Prince Vegeta IV, also known as Vegeta, is a character from Akira Toriyama's Dragon Ball franchise. Introduced as an antagonist, Vegeta eventually becomes an ally to Goku and his friends, though they maintain a friendly rivalry. Vegeta is the eldest son of King Vegeta and the fallen Saiyan prince. He is married to Bulma and has two children, Trunks and Bulla. Vegeta possesses superhuman strength and speed, and the ability to fly and create laser beams.

Son Goten is a character in the Dragon Ball manga and anime series, and the younger son of Goku and Chi-Chi. A hybrid Saiyan and Earthling, he has super strength and speed, and can transform into a Super Saiyan. Goten is optimistic and dimwitted, similar to his father, and loves to eat. He initially wants to be a fighter like Goku, but his mother forces him to study instead. As he gets older, he becomes more interested in a normal life.

Trunks is a central character in the Dragon Ball manga and anime series Dragon Ball Z and Dragon Ball GT. He is the half-Saiyan son of Vegeta, the Saiyan prince, and Bulma, the Capsule Corporation heiress. Trunks has superhuman strength, speed, and endurance, and can transform into a Super Saiyan. He's also Son Goten's best friend, and together they fuse into the powerful warrior Gotenk

Videl Satan is a fictional character and martial artist from the Dragon Ball franchise created by Akira Toriyama. She first appeared in the manga in 1993 and is the daughter of World Martial Arts Champion Hercule Satan. Videl is a skilled crime fighter who admires her father and believes he's the world's strongest fighter, unaware that she's actually stronger than him.

Piccolo, also known as Piccolo Jr. or Ma Junior, is a Namekian and the reincarnation of the villainous King Piccolo. Born to avenge his father's death, Piccolo starts as Goku's rival but eventually becomes his ally. Tall and humanoid, Piccolo has dark green skin, sharp features, pointed ears, and antennae. He wears a purple gi and pants with a red obi, and trains with weighted clothing like a cape and turban.

Krillin is a supporting character and skilled martial artist in Akira Toriyama's Dragon Ball manga and anime series. Initially a rival of Goku's, Krillin becomes his closest friend and ally. Krillin is short, bald, and outgoing, often providing comic relief. He's a Z Fighter, though usually overpowered by major enemies. Krillin first appears in chapter 25, training under Master Roshi alongside Goku.

Android 18, formerly Lazuli, is a cyborg and major character in the Dragon Ball franchise. Originally a human delinquent, Dr. Gero kidnapped and genetically modified Lazuli and her twin brother Lapis into Androids 18 and 17 to seek revenge on Son Goku. However, the twins betrayed Gero and became allies of Goku. Android 18 is a formidable opponent with a nearly infinite energy supply, limitless stamina, and accelerated healing.