Bulma (ブルマ, Buruma; lit. "Bloomers") is a scientist and the daughter of Capsule Corporation's founder, Dr. Brief.[10] and is Goku's first friend.[3] She used to be the girlfriend of Yamcha,[11] but moved on and, eventually, became the wife of Vegeta. With him she had a son named Trunks and a daughter named Bulla. She lives in West City all her life, and her address is listed as WST 3338926 K.[6]
Bulma is the most significant female character in the series. Aside from Goku, Bulma is the single longest-running character in the entire meta-series, being introduced in the first chapter and episode, and maintaining a prominent role until the final chapter of the manga and the final episode of Dragon Ball GT.