Bulma

is a fictional character in the Dragon Ball manga series created by Akira Toriyama. She makes her debut appearance in the first chapter , published in Weekly Shonen Jump magazine on December 3, 1984, meeting Goku and recruiting him as her bodyguard to travel and find the wish-granting Dragon Balls. Bulma is the daughter of Dr. Briefs; the founder of Capsule Corporation, a company that creates special small capsules that shrink and hold objects of various sizes for easy storage. Being the daughter of a brilliant scientist, Bulma is also a scientific genius, as well as an inventor and engineer. Along with creating the Dragon Radar, a device that detects the energy signal emitted by a Dragon Ball, Bulma's role as an inventor becomes important at several points in the series; including the time machine that brings her future son Trunks to the past.