Ttukttakman is friends with Hani, Kuni, Lulu, Uru, and Kkomji. He is a toy in the Rainbow Kindergarten who can transform into anything using his 'Ttukttak Magic.' Because of this, he helps friends in need. He has a lively, kind, and sweet personality. He is very proactive when it comes to helping others.

Hani is friends with Ttukttakman, Kuni, Lulu, Uru, and Kkomji. She is a female ballerina doll in the Rainbow Kindergarten. She is excellent at ballet. Her personality is lively and kind, and she is always ready to help friends in need.

Kuni is friends with Ttukttakman, Hani, Lulu, Uru, and Kkomji. He is a male car mechanic toy in the Rainbow Kindergarten. He is very good at fixing cars. He has a lively and kind personality and enjoys helping his friends.

Lulu is friends with Ttukttakman, Hani, Kuni, Uru, and Kkomji. He is an octopus toy in the Rainbow Kindergarten. He mistakenly believes he is a prince and is a bit of a coward. Despite being an octopus, he cannot swim. He has a lively and kind personality and helps friends in need.

Uru is friends with Ttukttakman, Hani, Kuni, Lulu, and Kkomji. He is a teddy bear in the Rainbow Kindergarten. He is very easily frightened. He has a lively and kind personality and helps friends in need. He eats a lot of snacks and food, always carrying candies, chocolates, jellies, and cookies in his front pocket.

Kkomji is friends with Ttukttakman, Kuni, Lulu, Hani, and Uru. She is a winged caterpillar doll in the Rainbow Kindergarten. She has a habit of ending her sentences with '~kkomji.' She has a lively and kind personality and helps friends in need.

Tultulman enjoys teasing Ttukttakman, Hani, Kuni, Lulu, Uru, and Kkomji with his pranks. He has a mean personality and loves bothering his friends for fun. He uses his 'Tultul Magic' to play mischievous tricks on others.