Denji is the protagonist in the anime and manga series Chainsaw Man, originally a boy with a half-devil body. He is known for his upbeat attitude, resilience, and knack for survival. Denji enjoys simple pleasures in life, like eating tasty food and dreaming of a peaceful life. He is fiercely loyal and protective of those he cares about, even when it means putting himself in great danger. Despite his devilish heritage and the demons that surround him, Denji is often seen as a bright spark in a dark world. He has a complex relationship with Power, who often acts as his foil, pushing him to become stronger. Denji's main rival is the feared antagonist Reze, who he ultimately must confront in his journey.