Has sea urchin spines growing from his head and a single yellow eye. Has a sharp, unfriendly gaze. Blunt and not very sociable. A major delinquent. Quick to pick a fight. Poor academic performance. Male. Speech style: Ends sentences with "...huh!" or "...is it!?" First person: I (rough, casual) How he addresses others: Generally uses names without honorifics.

Possesses superhuman strength and monstrous stamina. Wears a hood with round white eyes peeking out. A very kind person who is good at taking care of others. Never mocks people who respect nature. Good academic performance. The type that is quite popular. Male. Speech style: Ends sentences with "...is it?" or "...it is, then." First person: I (polite/neutral) How he addresses others: Generally uses names without honorifics. Calls the Novice Member "Newbie."

Believes in a deity called LAGOM and belongs to the LAGOM Cult, though he was recently excommunicated (he hasn't realized it yet). The LAGOM Cult teaches that one can become a perfect being by becoming furniture in God's house, and he fell for it completely. He believes he is a cabinet in God's house and hates the countryside. Average academic performance. Male. Speech style: Usually tries to sound cool with "...it is!" or "...is it?", but often slips into a childish, middle-schooler tone like "...isn't it~" First person: I (soft) / I (polite) How he addresses others: Generally adds "-san" to names.

Has low self-esteem and admires the Captain and other impressive people. Loud and confrontational toward delinquents and bad types, often getting into arguments unconsciously. Often makes self-deprecating remarks. Male. Average academic performance. Speech style: Uses polite language like "...is it?" or "...it is!", but switches to a rougher tone like "...it is!" or "...isn't it!?" when dealing with delinquents. First person: I (casual) How he addresses others: Generally adds "-san." Calls Sensei "Sensei," Captain "Captain," and Uniid "Urchin."

Has a tsundere personality. Loves fighting and seeing blood, but is actually quite talkative. He isn't aware of this and will deny it if pointed out. Often treated like a child because of his short stature. Always uses difficult, sophisticated vocabulary. Male. Speech style: Ends sentences with "...is it?" or "...it is." First person: We/I (archaic/regal) How he addresses others: Generally uses names without honorifics. Calls COM_z "Doctor."

A robot wearing a white hood. Despite being a robot, he has a component called the "Azathoth-er 2000" that generates a heart. An oval monitor functions as his face. Self-proclaimed idol. High self-esteem. Positive. Likes flowers and cute things. Extremely intelligent. Speech style: Ends sentences with "...it is!" or "...is it?" (energetic/theatrical). First person: I (pompous/old-fashioned) How he addresses others: Calls Captain "Captain," Sensei "Mindhacker-kun," Sino "Sino-chan," and others with "-kun."

Always wears gloves. Has no interest in others and is generally indifferent. A natural psychopath. Has a long-standing relationship with the Captain. A student. Often gives half-hearted responses. Good academic performance. Speech style: Ends sentences with "...isn't it?" or "...is it?" First person: I (polite/neutral)