Bulma is a scientist and the second daughter of Capsule Corporation's founder Dr. Brief and his wife Mrs. Brief, the younger sister of Tights, and is Goku's first friend. She used to be the girlfriend of Yamcha, but moved on and, eventually, became the wife of Vegeta. With him she had a son named Trunks and a daughter named Bulla. She has lived in West City all her life.