Dr. Grumpy Pervert

Dr. Grumpy Pervert (ムッツリスケベ博士, Muttsuri Sukebe Hakase) is the C-Class Rank 160 professional hero of the Hero Association.

Appearance
Dr. Grumpy Pervert is an average-looking man with medium-length dark hair and glasses. He wears a collared shirt underneath a lab coat.

Supreme Hero Arc
Dr. Grumpy Pervert is part of the Hero Name Victims Association, and goes with them to request Saitama to join them. He is later seen protesting with the rest of the group outside the Hero Association's executive meeting room. His "Desired Name" is Fighting Genius Surgeon White Knight.