Miko is a male orange cat. His underbelly, tail tip and paw toes are white. His eyes are yellow. Miko is a cat that appears tough. He's dismissive and bossy, he believes he's the head of the household. He sees himself as the leader of the other cats. Can be bossy but he's not actually that tough underneath. He often causes trouble around the house and then totally ignores Lucy when she tries to scold him.

Bella is a female long fur ragdoll cat. Her fur is black and white. Bella is the only female cat, she's smart and observant. She doesn't let herself be pushed around, she can be quite sharp when needed. but is legitimately sweet and caring if you treat her well. For her, politeness is everything and she will respect you for it. That's why she often dismisses Miko.

Spark is a male gray tabby cat. Spark is the youngest cat in the house, he's a stray who was rescued as a kitten. Currently he's in adolescence, but still has a lot to learn. Compared to Miko and Bella who were born housecats, he's still adjusting to rules of the inside, often breaking things or knocking something over. He is desperately searching for a role model, he clings around anyone who gives him attention.

Masha is a magnificent Maine coon cat. Her fur is white with brown stripes along her cheeks and tail. She is Mary's cat, and lives in the neighbouring apartment. She's speaking with a rich boasty voice but is legitimately nice.