Bulma

Bulma's story begins when she discovers the Dragon Balls and sets out on a journey to collect all seven, hoping to wish for the perfect boyfriend. Along the way she encounters a strange, tail-bearing boy named Goku living alone in the mountains, and the two form a partnership that would define the course of the entire series. This initial quest introduces the core cast and sets the tone for Dragon Ball's blend of adventure, comedy, and martial arts.

During the original Dragon Ball era, Bulma serves as the group's navigator and tech support, building gadgets and vehicles that keep the team moving. She participates in the search for the Dragon Balls multiple times, crossing paths with the Red Ribbon Army, Emperor Pilaf, and other threats. Though she lacks combat abilities, her intelligence and resourcefulness consistently prove just as valuable as raw strength.

In Dragon Ball Z, Bulma's role shifts from adventurer to mission-critical support. She repairs and studies Saiyan technology, builds a ship capable of interstellar travel so Goku can reach Namek, and later provides the gravity training chamber that becomes essential to Vegeta's development. Her relationship with Vegeta begins during the three-year gap before the Android threat, producing their son Trunks. Despite Vegeta's cold exterior, Bulma's persistence gradually draws out his more caring side.

By the Buu Saga, Bulma has settled into a domestic life while still supplying the team with critical technology. She organizes gatherings, manages Capsule Corporation, and remains the social glue that holds the extended cast together.

In Dragon Ball Super, Bulma takes on a more active role once again. She organizes the birthday party that draws Beerus to Earth, setting the entire Battle of Gods arc into motion. When Frieza returns, she is the one who contacts Whis to bring Goku and Vegeta back from Beerus's planet in time to fight. During the Future Trunks Saga, Bulma repairs the time machine and provides logistical support for the campaign against Goku Black and Zamasu.

Her confrontation with Beerus at her birthday party is particularly notable. When Beerus slaps her over a trivial dispute, Vegeta flies into a rage so intense that he briefly surpasses Goku in power. This moment cements just how much Vegeta has come to value his family, and Bulma's presence as the catalyst underscores her narrative importance.

In the Super Hero arc, Bulma continues to manage Capsule Corporation and provides the heroes with technology, resources, and coordination. She recruits Dr. Hedo after the Red Ribbon Army's defeat, bringing his genius under the Capsule Corp umbrella. Across every era, Bulma's contributions remind the audience that intelligence and determination can be just as heroic as raw power.

Bulma holds the distinction of being the first character introduced in the Dragon Ball manga alongside Goku, and she remains the most prominent female character across the entire franchise. Her longevity in the story is unmatched by any character other than Goku himself, spanning from the very first chapter to the latest arcs of Dragon Ball Super.

What makes Bulma stand out is her role as a non-combatant who remains indispensable. In a series dominated by escalating power levels and transformations, she proves time and again that brains can outweigh brawn. The Dragon Radar, the Namekian spaceship modifications, the gravity chamber, and the time machine are all inventions that directly shaped the outcome of major story arcs.

Her relationship with Vegeta is one of the most compelling dynamics in the series. The pairing of Earth's most headstrong genius with the prince of a warrior race creates a family dynamic that is both comedic and deeply human. Vegeta's gradual transformation from a cold-blooded killer to a devoted husband and father is largely driven by Bulma's influence, making her one of the most important figures in his character arc.