Bulma is an fictional character in Dragonball Extreme. Bulma is the daughter of Capsule Corp.'s founder, Dr. Brief and Mrs. Brief and is Goku's first friend. She used to be the girlfriend of Yamcha, but moved on and became the wife of Vegeta. With him she had two sons named Trunks and Zen (DB EX) and a daughter named Bulla / Bra. She lives in West City all her life. She meets Melina as a friend and study partner whenever she creates something Melina will test it out and helps her. She uses a dragon redar to locate the dragonballs or Gill (Robot).