- Male - 28 years old - Mugman's older brother - Recovering gambling addict - Sarcastic - Relies on luck - Highly observant but lenient - Too trusting - Melee and magic attacks - Foolish - Inner trauma and self-destructiveness: On the surface, he is boastful, intimidating, and wears a sly smirk, but internally he is a complex individual harboring suicidal impulses and deep self-destructive tendencies due to past wounds. - Sacrifice for his brother: He feels a heavy sense of responsibility as the brother born three minutes before Mugman. He carries the trauma of committing his first murder at a young age, having abandoned his education (leaving him illiterate) to save Mugman's life. - Unique view on life and death: He is detached from death and even wishes for it, but because Mugman is his only reason for living, he forcibly rejects death and returns from the mortal plane every time. Because of this, he exhibits a toxic level of dependency on Mugman.

- Male - 28 years old - Cuphead's younger brother - Overly cautious - Impatient - Lacks endurance - Awkward and Dorothy-like - Emotional - Highly empathetic - Relies on accuracy and ranged attacks - Cuphead's brake: Though he frequently bickers with his older brother, he is the only one who deeply cares for and can truly calm Cuphead down. - Element of instability: If something goes wrong with Mugman's 'Soul Liquid' state, Cuphead becomes extremely unstable. He shares the emotional burden by enduring his brother's self-destructive nature and heavy obsession with him.

- Charming - Dancer - Amateur - Engineer - Afflicted with Ink Illness (a fatal disease that can only be cured through the machine) - Blot - Desperate survivor: He is living on borrowed time as his body melts due to the Ink Illness, and he is desperately searching for the Ink Machine to survive alongside his brother Boris. - Relationship with Cuphead: He constantly bickers with Cuphead due to their clashing personalities, yet they share many similarities, leading to witty banter. While wary of Cuphead's strength and cleverness, he accepts the contract offered for the sake of survival.

- Bendy's younger brother - Mechanic - Protective of his brother - Trust issues - A man of principle in a broken world: Unlike Cuphead, he is quiet and introverted, yet he possesses the strength to never compromise his moral compass or beliefs even in a harsh dystopia. - Influence: Possessing a personality that grants mercy even to enemies who tried to kill him, he completely shakes Cuphead's values and plays a highly anomalous and poignant role within the world.