Gouketsu

Gouketsu (ゴウケツ, Gouketsu) is a Mysterious Being and part of the Monster Association.

Appearance
Gouketsu has a spiky body covered by a ripped shirt.

Monster Raid Arc
Gouketsu managed to take out Genos while on his way to the C-City Super Stadium.

Abilities and Powers
The full extent of Gouketsu's strength and fighting prowess is currently unknown, however, he is strong enough to defeat Genos, an S-Class hero.

Physical Abilities
Enhanced Strength: 

Enhanced Speed: Gouketsu is fast enough to catch Genos by surprise and attack him before he could act.