Fukegao

Beefcake (フケガオ Hukegao) was a genius scientist who developed the Biceps Brachii King steroid, which turned his brother Beefcake into a mutated giant. He was accidentally killed by Beefcake when the latter mistook him for Saitama.

Appearance
Oldface is a skinny and pale young man, though with his fair share of wrinkles. He has thin black hair that is parted in the middle, drapped along the sides of his face. He has a long face. He dresses in typical scientist clothes, a long white lab coat and a regular back shirt.