Kou-Guy

Kou-Guy is a minor antagonist in the Jujutsu Kaisen series. He was a grade 2 cursed spirit born from humanity's hatred of the grasshopper plague. Yuuji Itadori encountered him on B2F of Meiji-Jingumae Station while he was guarding the commissioned curtain there.

(Source: Jujustu Kaisen Wiki, edited)