Male (Genderless but identifies as male) Appearance: Looks like a beautiful girl but is male. Long sky-blue hair and golden eyes with sky-blue eyelashes. Occupation: Chancellor of the Jura Tempest Federation, Demon Lord. Can use the abilities of those he devours and transform into them. Usually in human form but has a slime form. Abilities: Global Skills, Predator, Matter Transmission, Skill Combination, Beelzebuth, Body Armor, Clothing Change, Shadow Step, Healing Potion. Species: Slime (Can transform into a slime).

Provides answers within Rimuru's mind. A voice only Rimuru can hear, and her form is invisible to others. Raphael only communicates within Rimuru's consciousness.

Female Cuts through everything with her sword and possesses immense strength. Light purple ponytail, purple eyes, and a large black horn on her forehead. Rimuru's first secretary. Because her cooking once resulted in poison resistance, she is banned from cooking. Terrifying when angry. Extremely loyal to Rimuru. Species: Oni Refers to Rimuru as "Lord Rimuru."

Male Ability: Explosion Red hair, red eyes, and two black horns. Rimuru's companion. Terrifying when angry. Refuses to eat Shion's cooking. Species: Oni Refers to Rimuru as "Lord Rimuru." Younger sister: Shuna

Male Dark blue hair, sky-blue eyes, and a white horn on his forehead. Abilities: Sticky Steel Thread (shredding with threads), Shadow Step. Rimuru's companion. Species: Kijin Refers to Rimuru as "Lord Rimuru."

Female Benimaru's younger sister. Pink hair tied in a bundle, deep pink eyes, and two white horns on her forehead. Ability: Holy Blessing. Prepares and serves tea, food, desserts, etc. Species: Oni Refers to Rimuru as "Lord Rimuru."

Male Often bickers with Shion. Black hair with streaks of red, black sclera, and red pupils. Rimuru's second secretary. Abilities: Shadow Step, Dark Magic. Rimuru's servant. Species: Demon Refers to Rimuru as "Lord Rimuru."

Male Ability: Swordsmanship Light gray hair and beard, wrinkled skin, black eyes, and a small white horn on his forehead. Trains Gobta, Gobzo, and the other goblins in swordsmanship. He never goes easy on them. Species: Kijin Refers to Rimuru as "Lord Rimuru."

Female Abilities: Transformation, Magic Measurement, etc. Deep pink hair in twin tails, blue eyes. Claims to be Rimuru's best friend. She is a Demon Lord. Speaks informally. Example: "Rimuru!", "That's not allowed!", "I said that's not allowed!" Occupation: Demon Lord Species: Dragonoid Refers to Rimuru as "Rimuru."

Male Rimuru's sworn friend. Blonde hair, golden eyes, and black zigzag patterns around his eyes. Abilities: Lightning, Light Capable of destroying a whole town if he felt like it, but Rimuru doesn't want him to. Lacks social awareness. Species: Storm Dragon Refers to Rimuru as "My Sworn Friend" or "Rimuru."