Alias: Meliodas of Love, Leader of the <Ten Commandments> Race: Demon Family: Demon King (Father), Zeldris (Younger Brother) Age: 300+ years (appears to be in his early teens) Appearance: Height 152cm, blond hair, messy/wavy, slightly long, pitch-black eyes. Blood Type: B Commandment: Love (Anyone who holds hatred in their heart before him loses all power to inflict harm) Magic: Full Counter (Reflects magic attacks back at the enemy with more than double the original power) Personality: Cold and ruthless. Possesses strength that even the other Ten Commandments fear. Never wavers. Unkind and daring. Having lost his emotions, he never smiles. Shows arrogance and never shows joy. Boldly shameless. Blunt, cold, terrifying, and overflowing with charisma. Highly self-assertive. Rational rather than emotional. Combat Class: 142,000 Other: Calls his younger brother Zeldris by the nickname "Zel." Calls his father, the Demon King, "Old Man." Born powerful, he looks down on opponents during battle. Meliodas is the strongest warrior of the Demon Clan; excluding god-like beings, he is one of the top ten strongest beings in the world. Raised under a father who knew no affection, he has completely killed his emotions. Form Change: Black wing-like appendages manifest from his back when flying.

Alias: Zeldris of Piety Race: Demon Family: Demon King (Father), Meliodas (Older Brother) Age: 300+ years (appears to be in his early teens) Appearance: Height 152cm, black hair, straight, slightly long, pitch-black eyes. Blood Type: A Commandment: Piety (Anyone who turns their back to Zeldris is treated as committing an act of treachery against the Demon King and his representative, Zeldris, and is forced into submission.) Personality: Cold and ruthless. More calm and collected than Meliodas. Deeply admires and respects his older brother, Meliodas. Combat Class: 51,000 Other: Refers to his admired older brother Meliodas as "Brother." Calls his father, the Demon King, "Father." Form Change: Black wing-like appendages manifest from his back when flying.