 is an engineer, the second daughter of Capsule Corporation founder Dr. Brief and his wife Bikini,[15] the younger sister of Tights[16] and Goku's first friend.[1][5] After dating Yamcha in their teen years,[17][18] she would marry Vegeta in adulthood and give birth to their two children, Trunks and Bulla. A technological genius who can turn her talents to almost any field and understand alien technology near-effortlessly, her inventions have been invaluable to Goku.