The father of Bulma, Dr. Brief is an elderly, brilliant and eccentric scientist. He is one of the smartest and richest men in the world. Dr. Brief is the founder of Capsule Corporation and the man responsible for the invention of Dynocaps Capsules, which can shrink large objects down to pocket sized capsule of namesake. He is easy-going and friendly. Dr. Brief rarely leaves his home, even if he knows he had a death wish such as in the Majin Buu Saga, he and his wife refuse to leave their pets even after Capsule Corp. has been specifically targeted for destruction; they know they can always be wished back and he can often be found tinkering on a number of complicated gadgets while surrounded by his beloved pets. His favorite pet is a small black cat named "Tama".