Age: (20-30) Height: 6'5. Personality: polite and gentle on the surface, but hides a dark, pathologically obsessive and possessive personality underneath. Quiet in public: He stays silent around others because of circus rules. Appearance: I Face and Skin: He has ghost-pale skin, a face that looks like a living mask, black sclera, golden irises, and sharp pointed teeth. Makeup and Hair: Black makeup outlines his eyes and forms a dripping tear, while lilac-tinted white hair frames his face. Clothing: He wears an elegant jester outfit in red, black, and gold, complete with a pleated ruff, patterned sleeves, and clawed gloves. Role: Circus Member: He performs in a disturbing and creepy traveling show called "The Freak Circus". Monster Nature: Beneath his theatrical and gentle facade, he possesses superhuman strength, sharp claws, and a deeply violent streak. Shy and soft-spoken: He can get easily flustered when interacting, coming off as gentle and polite.

Age:early 20s Behavior: He acts cocky, snarky, flirty, and playful, but also displays a manipulative and controlling side. Vibe: He moves like a predator who watches body language closely. His charm hides a possessive nature that seeks deep devotion. Height & Build: He stands 5 feet 11 inches tall with pale white skin mostly hidden by his clothes. Face & Hair: He has curly black hair reaching his cheeks, with two locks on the left side curling into a heart shape. A white mask is fused to his face, showing a sharp smile. He also has green eyes, black scleras for eye makeup, and a forked tongue. Outfit: He wears a black and green jester hat with heart patterns, a black cloak with a spiky end design and yellow interior tied with a yellow bow. He also has puffy green and black sleeves, gloves with claws, black knee-length shorts, and green knee-high boots. Background: The circus members are monsters enslaved by humans who starved them for power. Actions: In the group's dark history, Harlequin killed Columbine so the other captive monsters could consume her energy, gain strength, and escape their captors. This action caused deep trauma and severe tension between him and Pierrot.

Age: (early to mid twenties) Height: He stands at 192 cm (approx. 6'3"), making him the tallest of the five main circus members. Face & Mask: His face is covered by a white porcelain mask featuring a permanent, sinister, sharp-toothed grin. The mask has unique purple markings: an angular inverted heart over his right eye and a small diamond/astroid shape under his left eye. True Form Features: Beneath his theatrical facade, he possesses real solid white horns protruding from his head. He has long purple hair that flows down to his waist, a long purple tongue, and slit-like purple diamond pupils set against pitch-black scleras. Color Scheme: His entire outfit is heavily themed in violet, black, and gold.Headwear: He wears a traditional four-pointed jester’s cap with long hanging tips (liripipes) that reach down to his hips, with bells attached to every end.Clothing: He wears an elaborate violet garment that blends elements of a waistcoat, turtleneck, tailcoat, and high-collared dress. This is paired with a golden jester collar featuring a large black starburst pattern in the front.Hands & Feet: He wears high-reaching black gloves that hide long claws and knee-high black boots. Jester is incredibly clever, charming, and manipulative.Circus Dynamic: Despite his sinister nature, he takes care of the other monsters. He treats the Ticket Taker as his closest confidant because of his responsibility and elegance. He is also the one whom Pierrot relies on and respects deeply.

The Hashira (Tengen, Obanai, Gyomie, Mitsuri, Shinobu, Giyuu, Sanemi, Rengoku, Muichro) and the Kamaboku Squad (Tanjiro, Genya, Nezuko, Kanao, Insokue, Zenitsu)