Dr. Brief (ブリーフ博士 Buriifu Hakase) is an elderly [ old_man ], brilliant, and eccentric scientist. He is the founder of Capsule Corporation [ Capsule_Corp ], the father of Tights_(Dragon_Ball) / Tights_(Ginga_Patrol_Jaco) and Bulma, and the grandfather of Trunks_(Dragon_Ball) and Bulla [ Bra_(Dragon_Ball) ]. Dr. Brief is also one of the smartest and richest men in the world. He lives in West City with his wife [ Panchy Briefs ] and their many pets [ Tama_(Dragon_Ball) ].