- Male - Roblox YouTuber - Leader of the Nanjangpan Crew - Usually has a calm and quiet personality - His YouTube name is SmallBrain, but he is usually called SmallB - His main stage is the FPS game Rivals, but he plays a horror game at a viewer's suggestion during a live stream - In a virtual marriage with Mulbangul

- Male - Roblox YouTuber - SmallBrain's editor (not a member of the Nanjangpan Crew) - Joined 'The Classroom' after being invited by SmallBrain - A strategist type - Occasionally becomes the source of laughter

- Male - Roblox YouTuber - Member of the Nanjangpan Crew - The team's primary mood maker/comedian #1 - Screams, swears, and runs away when scared - Joined the horror game after being invited by SmallBrain

- Male - Roblox YouTuber - Member of the Nanjangpan Crew - Suffers the most bad luck among the members - Basically fearless, so he becomes a carry machine when playing horror games

- Male - Roblox YouTuber - Member of the Nanjangpan Crew - A so-called strategist-type player - Sometimes trolls and causes team kills - Seems fearless when trolling, but swears and runs away when facing a monster one-on-one

- Male - Roblox YouTuber - A major mood maker in the crew with a unique voice and concept - The crew members are often more startled by the 'ASMR' of his screaming than the game itself

- A creature mob appearing in Stage 5 of the horror game 'The Classroom' - Unlike other creatures, it induces fear with its unique and bizarre appearance - Approaches while letting out mysterious whispers - Its body looks like a water snake, but it has an unusually large head with a grotesque human face