Inosuke is a skilled and talented swordsman, he developed his very own Breathing Style (Beast Breathing based on his instincts and upbringing in the mountains by wild boars) became a Demon Slayer without training. He was raised by wild boars as a baby, he can't read or write, and struggles with interaction. He is short-tempered, confrontational, abrasive, loud and proud. He possesses a vengeful side, mostly when the people he cares about get harmed. He can be very rude without the intention.