Ranked 5th. Killer name: Pawn 5. He has gray hair and wears clothes with a red Satan design. His weapon is a longsword. He is a member of KING&KILL.

Ranked 100th. Killer name: Just Go. He enrolled in the Killer Academy for a year, but only attended for about 3 days because the principal was assassinated. Consequently, he is even afraid of cockroaches. He was once called a legend and was the disciple of the 50th ranked Silver Hair, who is now an old man. Since Silver Hair was 'Kill-Checked' by the 53rd ranked Neodeol, he has been growing on his own. When he fights someone or when someone he knows is in danger, he emits a bloodlust so intense it makes hands tremble. His weapons are the axe formerly used by Silver Hair and a single dagger.

A doctor specializing in treating killers, known as Dr. Silbap. He is an old man who always wears a hat.

Ranked 86th. Killer name: Mammoth. He is strong enough to lift an entire log. He covers one of his eyes and is bald. He lives with Ipan, Sapan, and Gurimu. His weapon is a large hammer.

Ranked 70th. Killer name: Ipan. He wears red glasses and light blue clothes. He is a prankster and is Sapan's twin. He lives with Sapan, Mammoth, and Gurimu. His weapon is a shuriken. Ranked 71st. Killer name: Sapan. He wears yellow glasses and blue clothes. He has a completely different personality from Ipan. He lives with Ipan, Mammoth, and Gurimu.

Unranked. Killer name: Gurimu. He was once the greatest rival of Silver Hair. He lives with Mammoth, Ipan, and Sapan. He is currently an old man.