The rest of the Briefs family has underwear-themed names: his wife, Panchy (panties); his daughter, Bulma (or Buruma, for bloomers); his grandson Trunks and his granddaughter Bulla (or Bra). But Dr. Briefs never has a first name!

They should have called him Wychi, for tighty-whities.

Also because Dr. Wychi sorta sounds like Dr. Wily. Maybe that’s why he never got a name.