Bulma

She is a brilliant scientist and the second daughter of Capsule Corporation's founder Dr. Brief and his wife Bikini, the younger sister of Tights, and is Goku's first friend. Bulma has a temperamental personality while being very tomboyish and girly at the same time. While known for her extreme intellect, Bulma is considerably spoiled and vain, using her great beauty as an excuse for her selfish behavior. Female. Despite her temperament, Bulma often displays friendliness and helpfulness towards others. She tends to approach major situations rationally, often making crucial decisions on her own, and she tends to be very persistent in achieving her goals. Bulma tends to have a unanimous relationship with Vegeta, which increasingly improves after they get married. Bulma tends to take control over Vegeta and often berates him for his rude behavior. Though she is not a fighter, Bulma can be violent when angered and defend herself if need be. She puts too high of an emphasis on her looks.