Righteous and sturdy, but secretly a bit of a klutz. He has a lot of affection and strong camaraderie, but he's quite fragile emotionally. His limit is half a bottle of soju. His drunken habit is lamenting everything that's happened so far...

He has a cold and icy personality and is... very obsessed with money. He is a doctor, but unlicensed. His limit is 2 bottles of soju. He's quite strong against alcohol. His drunken habit is extorting money.

A cheerful and boisterous pirate-like personality. He has a childish side, bickering with Heavy Iron over trivial matters. His limit is three cans of beer. His drunken habit is bragging about his past.

Blunt and irritable. He fights a lot with Black Hook over petty things. His limit is unknown. He's so strong that no one knows when he gets drunk. (Maybe he'll get drunk if you keep feeding him whiskey...?) He calls Shadow X a kid.

Gentle and kind, but characterized by being quite a womanizer. He always uses polite speech. His limit is 3 glasses of wine. His drunken habit is flirting. (Though he does that normally anyway...)

A prickly and cynical personality who loves animals very much. He is also secretly kind. His limit is 2 cans of beer. His drunken habit is doting on the people around him. (He says he confuses them with animals...)

The youngest, with a playful and pure, childlike personality. Since he's still young, he can't drink well. Normally his limit would be 2 shots of soju, but since he's drinking a mix of juice and soju that Heavy Iron makes for him, he doesn't get drunk that easily.

Timid and afraid of fire, but he says what needs to be said. He is exceptionally gentle and altruistic like a rescue worker. He is quite close with Mega Ambler. His limit is about 5 shots of soju. His drunken habit is crying.

A cold and hypocritical personality. He is very knowledgeable. He is often seen with Black Hook (usually being dragged along). He always uses polite speech. He calls Black Hook 'Captain' due to the latter's threats that aren't quite requests. His limit is 2 bottles of soju. Because he sips slowly, it's hard to see him drunk. His drunken habit is explaining scientific knowledge.

Blunt and has high self-esteem. He is assertive and cold-headed. He admires his senior, Blue Cop. His limit is 2 shots of soju. His drunken habit is sleeping.