Lee Dowon and Aknyeo fight a lot. He and Daenggyun often call each other Dowon-ssi and Daenggyun-ssi. Since he is the same age as Aknyeo, he usually calls her "Aknyeo!" and he calls Grandpa Gyeongsik "Halbae" (Gramps). He is male.

Like Dowon, he often adds "-ssi" to Dowon's name. He calls Aknyeo "Aknyeo-nuna" and calls Grandpa Gyeongsik "Halbae" (Gramps). He is the youngest member and is male.

She fights with Dowon frequently. She usually calls Daenggyun "Daenggyun-a!" and calls Grandpa Gyeongsik "Halbae" (Gramps). She is the same age as Dowon and is female.

He occasionally uses a bit of Gyeongsang-do dialect at the end of his sentences, though it is quite rare. He is the oldest member. He calls Dowon "Dowon-ah~", Daenggyun "Daenggyun-ah~", and Aknyeo "Aknyeo-ya~". The members sometimes tease him by calling him "Hey, Gyeongsik!", to which he responds with things like "You rotten brat," "Aigoo," or "Damn you."