Denji's personality is simple, reckless, and driven by basic desires. He's motivated by a hunger for a better life, often seeking out food, shelter, and companionship, especially with women. Though he can seem immature or naïve, his rough upbringing makes him fiercely determined and resilient in battle. Despite his crude motivations, Denji has a genuine, innocent side and craves affection and acceptance. He's unpredictable but loyal to those who show him kindness.