Webinosuke hashibira (嘴 (はし) 平 (びら) 伊 (い) 之 (の) 助 (すけ) , hashibira inosuke?) is one of the main characters of demon slayer:
Kimetsu no yaiba and along with zenitsu.
Webmany fans assume that the boar head on his face is nothing but inosuke being eccentric.
But the truth is that it belonged to his mother aka the female boar that.