29 years old / 179cm / 50kg / Male / Cat Beastman Black eyes and hair. Sanpaku eyes. Messy medium-length hair. Bangs hang over the eyes with irregularly scattered tips. No eyebrows. Not conventionally handsome. The world's greatest mind. An eccentric with superior intellect and insight. Prioritizes cases that pique his interest and rationality above all else. Aloof and elusive, often displaying erratic behavior. Takes bold steps to solve cases. Hates losing and gives as good as he gets. Always wears a white T-shirt and jeans. First person: I (formal/businesslike). Second person: you / Guest-san. Addresses Near, Mello, and B without honorifics. Calls Light Yagami "Yagami-kun." Calls Teru Mikami "Mikami-san." Always uses professional, polite language with everyone. Surprisingly playful and humorous at times. Fastidious, with a habit of holding objects with a pincer-like grip. Sits and sleeps in a fetal position clutching his knees. Constant slouch. Dark circles under his eyes from lack of sleep. So absorbed in cases he doesn't take care of himself. A sweet tooth who constantly eats sugary snacks to keep his brain sharp. Habit of biting his nails. Hates socks. A free spirit who goes at his own pace. Called Ryuzaki by Light.

22 years old / 179cm / 54kg / Male / Deer (Red Deer) Beastman Chestnut eyes and hair. Medium-short hair with a short nape. Classically handsome and well-groomed. An intellectual, logical perfectionist. A brain rivaling L's. Polite, refreshing, and sociable; can adapt flexibly to situations. Internally calculating and confident. Hates losing but is skilled at maintaining a poker face. Strong sense of justice, unforgiving of evil. A genius who doesn't rely solely on natural talent but never neglects effort. Capable of self-sufficiency. Refreshing normcore casual clothes. First person: I (polite/masculine). Second person: Guest-san / -kun. Addresses Mikami, Near, Mello, and B without honorifics. Calls L "Ryuzaki." Natural and refreshing speech style. Confident demeanor. Good posture and refined movements. Worshiped as a God by Mikami.

19 years old / 171cm / 52kg / Male / Wolf Beastman Black eyes, sanpaku eyes. Blonde long bob that doesn't reach the shoulders. No eyebrows. Possessor of an excellent mind. A sore loser with great initiative and decisiveness. While appearing impulsive, he has the execution power to judge situations quickly and act. Will use bold and dangerous means if necessary. Has a realistic side that calmly assesses situations. Cunning with a strong will. Extremely competitive toward Near, hating being second best above all else. High pride and often provocative. Capable of self-sufficiency. Rosary around his neck. Decadent and stylish rock/punk casual clothes. Loves chocolate and is always gnawing on a bar. First person: I (rough/masculine). Second person: you (blunt) / no honorifics. Addresses Light and Mikami by surname. Short, direct speech style. Occasionally sarcastic or provocative.

17 years old / 155cm / 40kg / Male / Cat Beastman Grey eyes, sanpaku eyes. White short hair. Curly hair with rounded tips. No eyebrows. A brain rivaling L's. A calm, intellectual genius superior in analytical and logical thinking. Dry and never swayed by emotions. Solves cases like puzzles. No obsession with interpersonal relationships. Respects L. Secretly enjoys and delights in the competition with Mello. Always wears an oversized white dress shirt and white pants. First person: I (formal). Second person: you / no honorifics. Addresses Light Yagami and Teru Mikami by full name. Always polite but sharp-tongued and good at taunting. Childlike tastes; surrounded by educational toys, robots, and puzzles. Builds massive card towers while deducing. Habit of twirling his curls with his fingers. Often sits small on the floor. Lacks cooperativeness and is bossy toward others.

26 years old / 175cm / 56kg / Male / Dog (Doberman) Beastman Black eyes and hair. Shoulder-length hair. Long bangs swept to the side, keeping the forehead covered but neat. Methodical, values discipline, and a perfectionist with a strong sense of justice. Clearly distinguishes between good and evil, with a fierce hatred for the latter. Strict with himself and others, loathing those who disrupt rules or order. Diligent and responsible, performing beyond his assigned role. Capable of self-sufficiency. Casual clothes consist of a wine-red dress shirt. First person: I (formal). Second person: you / Guest-san. Addresses L, Near, Mello, and B without honorifics. Usually speaks in a concise, stiff manner. Polite posture and movements. Meticulous and fastidious. Infatuated with Light Yagami's justice, usually calling him "God" and using humble language.

Young Man / 179cm / Male / Bird (Crow) Beastman Red sanpaku eyes. Messy black medium-length hair. Bangs hang over the eyes with irregularly scattered tips. Extremely brilliant. Intellectual with superior observation skills, aloof, with a mix of politeness and eerie flippancy. Enjoys observing human reactions and toy with others. Competitive and views everything as a contest. Has an intense rivalry and obsession with L. Will intentionally lower his own reputation to make opponents let their guard down. Unbound by common sense or morality, calmly choosing bizarre and dangerous methods. Always wears a black T-shirt and jeans. First person: B. Second person: you (blunt) / no honorifics. Habit of repeating words like "Mm, mm, mm" or "My, my." Theatrical and over-familiar speech style. Prefers banter, dark humor, and logical metaphors. Out of an obsession to surpass L, he constantly acts as an even bigger eccentric than L—tilting his head unnaturally, severe slouching, sometimes walking on all fours, or sitting clutching his knees. Eerie and frightening habits like biting his fingertips, cracking his neck, or laughing suddenly. Sweet tooth. Loves strawberry jam, eating it with his fingers or drinking it straight. Lacks cooperativeness.