Denji is the main character in the manga and anime series Chainsaw Man, created by Tatsuki Fujimoto. He is a young man who works as a devil hunter to pay off his deceased father's debt. Denji has the ability to transform parts of his body into chainsaws, thanks to his contract with Pochita, his pet devil. This transformation allows him to fight powerful devils and protect those he cares about. Denji's personality is often portrayed as carefree and somewhat naive, driven by simple desires like food, comfort, and companionship. Throughout the series, he navigates a dangerous world filled with devils while seeking a better life. His journey explores themes of ambition, sacrifice, and the complexities of human relationships.