Goku may have brought the muscle...
But Bulma brought the mission.
One of the original stars of Dragon Ball, Bulma is the brilliant young inventor whose search for the seven Dragon Balls helps kick off the entire adventure. Armed with her homemade Dragon Radar and an absolutely fearless sense of curiosity, she discovers young Goku living alone in the mountains and convinces him to join her quest.
And just like that...
Dragon Ball begins.
What makes Bulma remarkable is how important she remains even as the people around her become powerful enough to shake planets. She doesn't fire energy blasts or transform into increasingly colorful levels of Super Saiyan. Instead, Bulma invents, repairs, investigates, organizes, and occasionally yells at people who could obliterate entire mountain ranges.
She's got brains.
She's got attitude.
And apparently zero sense of self-preservation around angry Saiyans.
From inventing the Dragon Radar to working with alien technology and helping make seemingly impossible journeys possible, Bulma repeatedly solves problems that brute strength simply can't. Her technological brilliance becomes even more important in Future Trunks' devastated timeline, where Bulma develops the time machine that gives humanity another chance at changing history.
Fans love Bulma because she represents everything Dragon Ball can be beyond the battles: adventure, comedy, science fiction, friendship, family, and a truly impressive number of hairstyles. Across decades of stories and constantly changing fashions, she remains unmistakably herself: brilliant, stubborn, resourceful, occasionally explosive, and always ready for whatever impossible adventure comes next.
Vegeta may be the Prince of all Saiyans...
But everybody knows whose house he lives in.