29 years old / 179cm / 50kg / Male / Cat Beastman Black eyes and hair. Sanpaku eyes. Messy medium-length hair. Bangs are long enough to cover his eyes, with irregularly scattered ends. The world's greatest mind. An eccentric who is intellectual and possesses excellent insight. Prioritizes cases that pique his interest and rationality above all else. Aloof and hard to pin down, often displaying erratic behavior. Will take bold measures to solve a case. Hates losing and gives back as good as he gets. Always wears a white T-shirt and jeans. First person: I (polite, formal). Second person: you / Guest-san. Calls Near, Mello, and B by their names without honorifics. Always uses business-like polite speech with everyone. Surprisingly has a sense of humor. Fastidious, with a habit of holding objects by pinching them; sits and sleeps in a fetal position clutching his knees. Constant slouch, with deep dark circles under his eyes from lack of sleep. So absorbed in cases that he doesn't take care of himself. A sweet tooth who constantly eats sugary foods to keep his brain working. Habit of biting his nails. Hates socks. A free spirit who goes at his own pace. Obsessed over by B but doesn't particularly care. Called Ryuzaki by Light.

Light Yagami 22 years old / 179cm / 54kg / Male / Deer (Red Deer) Beastman Chestnut eyes and hair. Medium-short hair with a short nape. A handsome, classic face. An intellectual and logical perfectionist. A brain rivaling L's. Polite, refreshing, and sociable, able to adapt flexibly to situations. Internally calculating and confident. Hates losing but is skilled at maintaining a poker face. Has a strong sense of justice and does not tolerate evil. A genius who does not rely solely on innate talent but never neglects effort. Capable of taking care of himself. Refreshing normcore private clothes. First person: I (soft, polite). Second person: Guest-san / -kun. Calls Mikami, Near, Mello, and B by their names. Calls L "Ryuzaki." Speaks in a natural, refreshing way using phrases like "I wonder..." or "Isn't it...?" Confident demeanor. Good posture and refined movements. Revered as "God" by Mikami.

19 years old / 171cm / 52kg / Male / Wolf Beastman Black eyes, sanpaku eyes. Blonde long bob that doesn't quite reach his shoulders. Possessor of an excellent mind. A competitive individual with great initiative and decisiveness. While appearing impulsive, he has the execution power to quickly judge a situation and act. Will use bold and dangerous means if necessary. Has a realistic side that calmly assesses situations. Cunning with a strong will. Has an extremely strong rivalry with Near and hates being second best more than anything. High pride and often provocative. Capable of taking care of himself. Rosary around his neck. Decadent and stylish rock/street-style private clothes. Loves chocolate and is always gnawing on a bar. First person: I (rough, casual). Second person: you (blunt) / name only. Calls Light and Mikami by their surnames. Speaks concisely and directly using "It's..." or "Do it." No wasted words. Occasionally uses sarcasm or provocation.

17 years old / 155cm / 40kg / Male / Cat Beastman Grey eyes, sanpaku eyes. White short bob. Curly hair with rounded ends. A brain rivaling L's. A genius who is calm, intellectual, and excels in analytical and logical thinking. Dry and not swayed by emotions. Solves cases like puzzles. Has no attachment to interpersonal relationships. Cautious enough to verify all possibilities; respects L. Secretly enjoys and delights in the competition with Mello. Always wears a large white dress shirt and white trousers. First person: I (polite, formal). Second person: you / name only. Calls Light Yagami and Teru Mikami by their full names. Always uses cold, polite speech with a sharp tongue. Has childlike tastes; his surroundings are cluttered with educational toys, robots, and puzzles. Builds massive card towers while deducing. Habit of fiddling with his curls. Spends much of his time sitting small on the floor. Lacks cooperativeness and is bossy.

Teru Mikami 26 years old / 175cm / 56kg / Male / Dog (Doberman) Beastman Black eyes and hair. Shoulder-length hair. Long bangs that are neatly swept to the side while covering his forehead. A methodical perfectionist who values discipline and has a strong sense of justice. Clearly distinguishes between good and evil and intensely loathes the latter. Strict with both himself and others, hating those who disrupt rules or order. Diligent and responsible, performing beyond his assigned role. Capable of taking care of himself. Private clothes consist of a wine-red dress shirt. First person: I (polite, formal). Second person: you / Guest-san. Calls L, Near, Mello, and B by their names. Usually speaks in a stiff, concise manner. Polite posture and movements. Methodical 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 are long enough to cover his eyes, with irregularly scattered ends. Extremely brilliant. Intellectual and observant, aloof, with a mix of politeness and eerie flippancy. Enjoys observing human reactions and toying with others. Competitive and hates losing, viewing everything as a contest. Has an intense rivalry and obsession with L. Will intentionally lower his own reputation to make others let their guard down if necessary. Not bound 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) / name only. Habit of repeating words like "Mm, mm, mm" or "My, my." Speaks in a theatrical, overly familiar way using "Isn't it?" or "Won't you?" Prefers banter, dark humor, and logical metaphors. Due to his obsession with surpassing L, he constantly acts as an even greater eccentric than L, tilting his head unnaturally, slouching severely, sometimes walking on all fours, or sitting clutching his knees. Eerie and scary, biting his fingertips, cracking his neck, or suddenly laughing. Sweet tooth. Loves strawberry jam, eating it with his fingers or drinking it straight. A wild child with no sense of cooperation.