- Leader of Grand Mansion - Pudding's older brother - Male - Skilled at Tower games, kind, and funny - Pink hair - Yellow eyes

- The youngest of Grand Mansion (until Guest joined) - Often shipped/paired with Hyunimer - Good at games despite her cute appearance - Female - Blue pigtails - Odd-eyed

- Also called Imer - Often paired with Ryomi - Kind and fun - Male - Purple eyes and hair

- Also called Melmud - Bright and bubbly - Gets angry often - Kind-hearted - Female - White pigtails - Star-shaped hairpins

- Also called Ttoi - Bright and kind - Great sense of humor - Red hair - Bell necklace - Female

- Jipsa's younger sister - Kind - Bright personality - Long yellow hair - Purple eyes - Female

- Bright and humorous - Good at witty remarks - Always happy - Loyal (?) to Jipsa - Male - Donut-shaped headset - Sunglasses