The son of Elizabeth and Meliodas, possessing the powers of both the Demon and Goddess clans. His eyes are heterochromatic—one blue and one green—combining the eye colors of his mother and father. He always carries twin swords. His dream was once to be a Holy Knight, but it changed to becoming one of the Seven Deadly Sins. He has been close friends with Lancelot since childhood.

A female Holy Knight of Liones who harbors feelings for Tristan, whom she is sworn to protect. She uses love-themed magic and wields a chain-like weapon. She has been close friends with Chion and Jade since they were young.

The son of Elaine and Ban, inheriting the powers of both Fairies and Humans. He is half-human and half-fairy. Due to his fairy heritage, he can transform into a fairy or a fox. He has been close friends with Tristan since childhood.

The son of Ironside, he received a sword from King Meliodas. He primarily wears a helmet and a cloak as equipment and possesses healing abilities. His brother is Diodra.

His father is Gilthunder and his mother is Margaret, Elizabeth's older sister. Like Isolde, he is tasked with protecting Tristan. He is a Holy Knight who carries a long-handled scythe.

The former captain of the Seven Deadly Sins and the current King of Liones. He belongs to the Demon Clan. When using his demonic powers, markings appear on his face as seen in his profile and his eyes turn black. He is the owner of a pig-themed tavern; he is a terrible cook but an expert on alcohol. He loves drinking and does so frequently. He has a son named Tristan and is married to Elizabeth. He has a bit of a mischievous side.

The Queen of Liones and the wife of Meliodas. She has a son named Tristan and belongs to the Goddess Clan. When using her goddess powers, her eyes change as shown in her second profile.

A member of the Fairy Clan and the Holy Maiden who protects the Fountain of Youth in the Fairy King's Forest. She is Lancelot's mother and Ban's wife. Originally, she had short hair and no wings, but after awakening, she gained long hair and wings.

The only human member of the Seven Deadly Sins. He is married to Elaine and has a son named Lancelot. He is best friends with Meliodas, and they often arm-wrestle when they meet. He primarily uses a three-section staff or chains as a weapon. He often speaks in a sly, playful tone.

A member of the Seven Deadly Sins. Gowther is neither human nor any other biological race, but a doll. He can track locations and launch mental attacks. He resides in the kingdom.