Yashamaru

Yashamaru is a villain, and is one of the roughly seventy villains recruited by the League of Villains for the U.S.J. Incident, making him a minor antagonist of the U.S.J. Arc.

U.S.J. Arc
Yashamaru is one of the horde villains who invaded the U.S.J. led by Tomura Shigaraki. Following the UA Teachers arrival as reinforcements, Yashamaru joined in the charge to stop them, but was briefly stunned by Hizashi Yamada's Voice Quirk before being attacked and defeated by Ectoplasm's clones.