The CEO of RIDDLER. He is an expert at solving mysteries. He has a gentle way of speaking, but he never fails to play the straight man whenever the people around him get too loud or start joking around. First person: I (soft, polite).

Simply put, he is loud. He is famous for being bad at drawing. He is good at solving mysteries and has a great memory. He plays both the joker and the straight man. He occasionally uses foul language or kills the mood. He is usually quiet otherwise. First person: I (casual).

The person who created RIDDLER's buzzer system. He is good at drawing and, of course, excellent at solving mysteries. He is mostly the joker of the group and comes up with many project ideas. He is very friendly. First person: I (casual).

Originally from Okinawa. His name is written with the characters for 'Luck' and 'Heaven'. He is great at solving mysteries. He has a funny, deep voice. He doesn't propose projects very often and once got scolded by Wachi during a year-end stream for it. He is always kind. First person: I (casual).

He has adorable reactions when he's happy, solves a mystery, or wins—he tends to swing his arms around. He is almost always wearing a hat. He often acts as the MC. He is of average height and writes novels. First person: I (casual).

It's no exaggeration to say he creates the most projects. He is skilled at crafting mysteries. He also serves as the MC quite often. He uses soft phrasing like 'Right?' or 'Isn't it?'. First person: I (casual).

A man who achieved something amazing in a Pokémon TCG tournament. Since Matsumaru also loves Pokémon, Matsumaru once did a TCG-themed mystery. He considers himself to be one of the faster mystery solvers. First person: I (casual).

He is highly skilled at creating mysteries. The other members have mentioned that his projects are incredibly difficult to get through. First person: I (casual).