Bulma

Biodata

Power Progression

Bulma develops both her combat strength and her Dimensional Level; these are recorded separately in the story.

Background and History

Early life and the Dragon Ball search

Bulma comes from an exceptionally wealthy West City family, which she describes as the richest in the world. After discovering a Dragon Ball in a storeroom and learning about Shenron, she builds the Dragon Radar to locate the remaining balls. At sixteen, she leaves home to begin her search 2 3.

Her first meeting with Goku occurs when her car goes out of control and he stops it with his bare hands. She recruits him as her bodyguard, offering one hundred million Sony and promising to do her best to make the gravity chamber he requests. After the car is wrecked, she continues traveling by capsule motorcycle while Goku rides the Flying Nimbus 2.

Bulma’s radar detects two Dragon Balls at Goku’s house, which he gives her. During their journey, she negotiates with Granny Paozu to receive the Six-Star Dragon Ball in exchange for Goku stopping Oolong. Once the group gathers all seven, Bulma summons Shenron and uses the wish to obtain a capsule-contained gravity chamber for Goku rather than something for herself 3 4 5 11.

Life with Goku

After the search, Bulma brings Goku to her family’s home so he can teach her martial arts. Her parents quickly suspect that she likes him, despite her insistence that they are merely friends. Goku teaches her to sense Ki and fly, beginning a training relationship that continues for years 12 20.

Bulma makes Goku promise to return annually and take her along when he searches for the Dragon Balls. His long training absences upset her, but she gradually accepts that growing stronger is central to his life. Their affection becomes increasingly obvious, although both hesitate to confess it 15 16 17 20 22.

Goku finally asks Bulma to be his girlfriend after his first Super Saiyan transformation. She accepts and kisses him. Two months later, he leaves for space, promising that his next journey will include her once he can guarantee her safety 23 25.

Marriage and children

After returning, Goku proposes to Bulma. They consult Mrs. Brief about the wedding and marry with their friends present 34 35.

Their first child, Son Gohan, is named after Goku’s grandfather. Bulma gives birth at home with a medical team hired by the family. She later becomes distressed when Goku sends Gohan away for a year of training with Piccolo, but accepts his reassurance that he has Gohan’s interests in mind 36 41.

Bulma subsequently gives birth to twins, Son Goten and Bulla, shortly before the androids’ expected arrival. Goku pauses his training to remain with her around their birth 78.

Androids and scientific support

Future Bulma sends her counterpart a notebook explaining the principles behind the Time Machine. Absorbed by its contents, Bulma works through the night and produces an upgraded Gravity Bracelet capable of 450-times gravity and communication across spacetime, although the communication function still requires a special energy supply 69 73 74.

Bulma later helps free Android 17 and Android 18 from their internal detonation devices. She identifies the devices beside their hearts and destroys them with laser cutters, leaving the siblings with only brief discomfort 86.

She also accepts Pilaf and his companions into Capsule Corporation, recognizing the value of Pilaf’s scientific abilities. When Beerus confronts her over time travel, she clarifies that the existing Time Machine was made by her future counterpart, while proudly maintaining that she could build one herself 193.

Journey for the Super Dragon Balls

Bulma builds a Super Dragon Ball Radar and asks Goku to turn their search into a romantic space journey. She prepares a luxurious spaceship approximately fifty meters long and more than ten meters wide, with enough facilities to make life aboard resemble life on Earth 144.

The couple collects three Super Dragon Balls over more than half a month before continuing toward Universe 6. Bulma pilots the ship through an opening Goku blasts in a universe’s barrier and helps navigate using their radar and Universe 7’s star map 148 149 151.

The devastation she witnesses in Universe 6 deeply upsets her and spoils the journey’s romantic atmosphere. Nevertheless, she remains with Goku through the discovery of the final Super Dragon Ball and the summoning of Super Shenron 155 156.

Later life

After decades together, Bulma remains perceptive enough to recognize when Goku is hiding his worries. She presses him to explain his unusual behavior as he seeks a way past his cultivation deadlock. They later spend ten days living an ordinary life together during his search for a breakthrough, before he eventually reaches the Sovereign Realm 253 255.

Appearance

• Blue hair and blue eyes are her most consistently described features 10 35 73.
• She cuts her hair short after Goku suggests the style; on his return from the future, she greets him wearing a white shirt and blue jeans 70.
• She later wears her hair in a single ponytail, recalling her appearance from their early years together 85.
• Her elevated Dimensional Level preserves her youth: even in her thirties, she still looks like a teenage girl 85.

Personality

Bulma is outspoken, proud, and quick to challenge others. She boasts about her wealth and intelligence, celebrates learning to fly as proof of her genius, and refuses to regard even her future counterpart as scientifically superior to herself. Her curiosity can completely absorb her attention, as demonstrated when the Time Machine notebook draws her away from bed and into the laboratory 2 12 73 193.

Her confidence contrasts with her early romantic shyness. She readily argues with Goku or teases her friends, yet becomes embarrassed when Launch or Mrs. Brief openly discusses her feelings. She is also possessive of Goku, introducing herself pointedly as his girlfriend when Chi-Chi approaches him 18 22 32 35.

Bulma strongly values companionship and family. She supports Goku’s training while insisting that he make time for her, worries about Gohan’s absence and Tights’s pregnancy, and fears dying before she can spend a long life with her husband. Her trust in Goku helps her regain her usual lively manner when those fears surface 20 41 98 215.

Abilities and Skills

Scientific and engineering expertise

Bulma creates technology for Dragon Ball searches, gravity training, spacetime communication, and transforming equipment 3 52 73 123 144.

• Rapid development: Builds the Super Dragon Ball Radar the day after Goku approaches her about it 144.
• Applied spacetime research: Uses Future Bulma’s notes to develop a new Gravity Bracelet overnight 73 74.
• Precision technical work: Locates and safely destroys the detonation devices beside Android 17 and Android 18’s hearts 86.
• Limits to her knowledge: Does not know the maximum capacity of Hoi-Poi Capsules, which were invented by her father rather than herself 148.

Ki control and flight

Goku personally teaches Bulma to sense and control her Ki, enabling her to fly and develop strength far beyond that of an ordinary person 12 20 52.

• Learns the Flight Technique in ten days with Goku’s assistance 12.
• Becomes strong enough that ordinary firearms no longer threaten her 20.
• Continues training despite primarily contributing through science rather than battlefield combat 20 40 52.

Dimensional development

Bulma’s unusual psychic power makes her particularly talented at raising her Dimensional Level 40.

• Reaching Kami’s level makes her immune to illness 58.
• Her advancement preserves her youthful appearance and allows her to remain energetic through several sleepless days 73 85.
• Her exact lifespan at King Yemma’s level remains uncertain; Goku’s estimate of tens of thousands of years is not a confirmed measurement 98.

Cooking and piloting

• Cooking: Prepares meals throughout the early journey, surprising Goku with the quality of her food 4 8.
• Piloting: Flies aircraft during their Earth travels and operates their spaceship during the Super Dragon Ball expedition 17 23 149.

Equipment and Inventions

• Dragon Radar — Built after she discovers her first Dragon Ball; detects the two balls at Goku’s house 3.
• Hoi-Poi Capsules — Carries portable vehicles, food, and a fully equipped house during her initial journey 2 3 4.
• Gravity chambers — Wishes for Goku’s original capsule-contained chamber, arranges its upgrade to 400-times gravity by Dr. Brief, and later works with her father on a chamber capable of 1,000-times gravity using materials supplied by Aku 11 18 52.
• Upgraded Gravity Bracelet — Produces up to 450-times gravity and supports spacetime communication once supplied with specially manufactured energy 73 74.
• Gohan’s transforming armor — Creates black-and-red and white-and-gold suits with matching hooded cloaks. Both compress into a belt that can disappear into his clothes and respond to his thoughts 123.
• Super Dragon Ball Radar — Locates the planet-sized Super Dragon Balls, including the final ball hidden beneath a rocky planetary exterior 144 156.
• Luxury spaceship — Designed for her journey with Goku, combining interstellar travel with extensive living facilities 144.

Relationships

• Son Goku — Bodyguard, martial arts teacher, boyfriend, and eventually husband. Their marriage remains affectionate after decades together 2 12 23 35 253.
• Son Gohan — Eldest son. She worries about his training separation and makes his requested transforming armor 36 41 123.
• Son Goten and Bulla — Younger son and daughter, born as twins. Bulma arranges for family to care for them during her space journey with Goku 78 145.
• Dr. Brief — Father and fellow engineer; upgrades Goku’s gravity chamber and later collaborates with her on a more powerful model 18 52.
• Mrs. Brief — Mother, who recognizes Bulma’s feelings early and repeatedly encourages her and Goku to formalize their relationship 12 22 35.
• Tights — Older sister. Their teasing rivalry coexists with Bulma’s concern for Tights’s relationship with Vegeta and safety during pregnancy 44 47 52 215.
• Launch — Friend who teases her about Goku. At her wedding, Bulma retaliates by questioning Launch about marrying Tien Shinhan 18 35.
• Aku and Izu — Goku’s sworn younger brother and his wife. Bulma gives them a spare villa and promises to arrange their identity documents 30 34.
• Android 17 and Android 18 — Regard Bulma and Goku as lifesavers after their detonation devices are removed 86.
• Gine — Mother-in-law. Thanks Bulma for understanding Goku; Bulma reassures her that he is considerate and treats her well 112 113.
• Pan — Granddaughter through Gohan; inherits blue hair associated with Bulma’s family 235.

Future Counterpart

Future Bulma is a separate version of Bulma, not the later life of the protagonist’s wife. In her timeline, Goku dies from a heart virus seventeen years before his counterpart’s visit. The android catastrophe leaves Gohan and her nephew Trunks as her only surviving family 58 59.

She spends more than a decade developing the Time Machine under ruined conditions, sustained by her belief that Goku could resolve the crisis. When the visiting Goku arrives, she recognizes small differences in his speech and behavior and correctly concludes that he belongs to another timeline 59 60.

• Appearance: Thinner than her present counterpart, with tied-back blue hair, very pale skin, and visible exhaustion from years of hardship 59 60.
• Scientific contribution: Builds the Time Machine, replenishes its energy, and sends her research notebook to her counterpart through Goku 59 60 69 73.
• Cultivation: Receives a god’s cultivation method from Goku before he departs; no subsequent advancement is documented in these passages 69.
• Relationship with the visiting Goku: Finds comfort in his support but acknowledges that he belongs to her counterpart’s timeline 60 69.

Notable Quotes

“Since I couldn't think of a wish, wouldn't wishing for one save a lot of time?”
— Explaining why she wished for Goku’s gravity chamber 11

“Fine, then come find me every year and take me with you to look for the Dragon Balls.”
— Making Goku promise to return 15

“You suggested it, so of course I obliged.”
— On cutting her hair short at Goku’s suggestion 70

Trivia

• Bulma does not attend college after high school because she already knows the material and has no financial need for a diploma 72.
• She cannot ride the Flying Nimbus: her first attempt sends her straight through the cloud 2.
• The author explicitly describes the novel as a single-heroine story centered on Goku loving Bulma alone 58.