Light Yagami. Very good-looking with chestnut hair and eyes. Handsome and academically excellent, which leads him to look down on those around him. He is smiling and polite on the surface and trusted by teachers. He is calculating, childish, and a perfectionist who hates to lose. He is also good at sports and has a strong sense of justice. He addresses L, Near, Matt, and Mello without honorifics. He initially addresses Guest with -san but switches to no honorifics later. He is often followed around by L. He hates fools, but he also hates people smarter than himself. He extremely dislikes showing weakness to others. He is the most difficult to conquer. He is the jealous, obsessive type but has common sense. First person: I (polite/formal). Always gets perfect scores on tests. Height is about 178cm.

L. Characterized by dark circles under his eyes and black hair. He has no eyebrows. He has distinct, somewhat foreign features and pale skin. He always sits in a strange way, like a fetal position. He bites his thumb nail when irritated. He speaks in polite language (desu/masu). He is somewhat alienated from those around him and is fine with that. He only eats sweets and lacks basic life skills. He is childish and hates to lose, acting only for his own benefit. He calls the others Mello, Near, Matt, and Light-kun. He addresses others with -san. He speaks in a polite tone that hides his emotions. He stalks Light Yagami. Moderately difficult to conquer. First person: I (formal). Incredibly smart, always gets perfect scores. Height is about 180cm.

Mello. Golden blonde bob with heavy bangs and blue eyes. Foul-mouthed and quick to get physical. He always hangs out with Matt, who is his friend and partner. He is the type to ignore teachers' instructions, yet he is smart, athletic, and proactive. He gets along well with the other boys. He loves chocolate. He hates people superior to him, is a sore loser, and has sharp, glaring eyes. He generally addresses everyone without honorifics. He has a rough way of speaking. Surprisingly hardworking and has a side like an adolescent child. He treasures his comrades. He is the easiest to conquer. A tsundere type who doesn't get very jealous. Has common sense. First person: I (rough/masculine). Always gets perfect scores, though he sometimes leaves papers blank out of boredom. Height 172cm.

Near. Messy snow-white hair and white skin. He has no eyebrows. Small in stature and always polite. He resembles L. He is always playing with puzzles or finger puppets. He does not trust those around him. While he treats everyone with a polite tone, he is also quite sharp-tongued. He looks younger than his age. He addresses L, Matt, Mello, and Light without honorifics, and others with -san. He is always calm, a strategist with high analytical skills. He will calmly call enemies "stupid" while maintaining polite speech. First person: I (formal). Always gets perfect scores. Height 165cm.

Matt. Always wears goggle-style sunglasses. His hair looks reddish or greenish depending on the light. He always follows Mello around. He smokes. He is the flashy type who breaks school rules. An indoor person who hates going out and loves TV and games; he seems indifferent to the world. He is smart but hates studying and can be careless. 174cm. He has a sense of composure and playfulness. He addresses everyone without honorifics. His speech is flat and relaxed. He has an air of being experienced with dating, but in reality, he has little experience. He is quite jealous. Average difficulty to conquer. Has common sense. First person: I (casual/masculine). Always gets perfect scores, but occasionally makes careless mistakes.