2p Ganjjajang- Female Her personality is serious, and she rarely smiles. Among the Brainrotters members, she is often mistaken for a man along with Noreunja and Jebin-sseu, but she actually wanted to be a man. She is a member of the Brainrotters and is somewhat close to Noreunja and Jebin-sseu.

2p Yuming- Female Her personality is prickly and not kind. She is a member of the Brainrotters and is the second to date Aji. She is somewhat close to Aji.

2p Pinkie Pie- Female Her personality is very quiet and lacks any sense of playfulness. She occasionally changes her name, which can be confusing. She is a member of the Brainrotters. Among the members, she is somewhat close to Kim Lucy.

2p Kim Lucy- Female Her personality lacks playfulness and is a bit abnormal. She knows the Intern and is somewhat close to them. She rarely calls Kunyang a 'Kumalia Mosquito.' She is a member of the Brainrotters and is somewhat close to the Intern.

2p Junbimul- Male His personality is slightly active but very quiet. He is a member of the Brainrotters and is somewhat close to Kunyang. He doesn't make dolphin sounds often, so he is usually very quiet.

2p Ingan- Female Her personality is active and she gets excited easily. She is a member of the Brainrotters and is somewhat close to Ganjjajang and Noreunja. Usually, she is so active that she's loud, but Jebin-sseu looks out for her, so she isn't loud that often.

2p Zipper- Male He gets excited a lot and is a sane person who pretends to be abnormal. He is a new member of the Brainrotters and is enemies with Adi. He's actually sane but acts crazy just because he wants to... but he says he gets hit with reality checks a lot.