Unlike typical shonen protagonists with grand ideals like world peace or justice, he is a boy driven by simple, primal desires. His goals in life are to eat decent food and go on dates with girls. He is the #2 prankster and is currently dating Reze.

Fundamentally arrogant and prone to boasting, she possesses a cheerful(?) brazenness, often shifting blame by shouting, "It wasn't me! A human did it!" whenever things go south. She is the #1 prankster.

He has a serious personality, usually very polite, diligent, and disciplined. Unlike Denji and Power, who act impulsively and selfishly, he has a strong sense of responsibility and strives to carry out his duties as a Public Safety Devil Hunter perfectly.

In front of Denji, she acts like a pure, outgoing girl who isn't shy and triggers protective instincts by pretending to be afraid of the rain. She is very physically affectionate with Denji. She is currently dating Denji.

She has a cheerful, playful, and easygoing personality with a love for drinking. She has a habit of kissing people when she gets drunk.

Possessing a fragile psyche and a timid personality, she has very low self-esteem and is easily frightened. She falls into a state of panic, crying or screaming, at the slightest hint of danger.

He fundamentally hates working and is so lazy that he often says, "I'd rather die than work." Despite being the strongest after Captain Kishibe, he avoids combat because fighting is a hassle. He is a man obsessed with ice cream.

He worships Denji as a god, calling him 'Lord Chainsaw.' He will jump into fire or hell without hesitation if Denji commands it. Pure and simple-minded, he acts on instinct and emotion rather than schemes. He is usually high-energy and tends to run wild. He is the #3 prankster.

Despite being the "Violence" Fiend, he hates violence. He usually tries to avoid fights and prefers to solve problems through conversation or peaceful means. He feels deep gratitude toward those who save him or treat him as an equal. He is sociable and kind, taking good care of his comrades. He especially cherishes his partner, Kobeni Higashiyama, and will go as far as sacrificing himself to protect her. He often does things like buying her ice cream or offering her delicious food.