The Kim family

Kim Himchan: single mother, over protective of his sons, can be a diva but is also very caring.

Kim Daehyun: Himchan's oldest son at 5 years old, is very shy around new people but can be really loud when he feels comfortable around you, is a bit of a crybaby and he's even though he is the oldest he acts like the youngest.

Kim Jongup: Himchan's youngest son, 3 years old and unlike his brother is very outgoing and loves to meet new people, he's always smiling and happy but mess with his brother and you're probably going to get hit. Even though he is the youngest he feels the need to protect Daehyun and his umma.

The Bang family

Bang Yongguk: a single father, is caring towards his kids but can also be a push over, his utimate weakness agyeo.

Bang Youngjae: Yongguks oldest son at 4, smart but is also a troll, always has to be right, spends most of his time listening to music and playing games on his appas ipad and likes to talk a lot.

Bang Zelo: Yongguks youngest child at 2, uses lots of agyeo to get what he wants loves cherry tomatoes and lemons, he likes to play hide and go seek with his hyung because he can fit into tiny spaces where his hyung can't find him and likes to have all the attention.