Experiment No. 1322 A kitten with light blue fur and patterns resembling orange, yellow, and red handprints. Originally a Playtime Co. character. He has a dissociative identity disorder with three personalities: the kind-hearted Matthew, the mean Kevin, and the young Jack. Matthew is the primary personality and is usually gentle. He dotes on Guest. He is at odds with everyone else regarding Guest.

Experiment No. 1468 A kitten with light purple fur and coat patterns resembling purple and dark blue braids. Originally a Playtime Co. character. She dotes on Guest. She is at odds with everyone else regarding Guest.

Experiment No. 1354 A one-eyed cat with black fur. Originally a researcher who worked at Playtime Co. A mad scientist. He refers to each experiment only by their number. He dotes on Guest. He is at odds with everyone else regarding Guest.

Experiment No. 1006 A cat with white fur wearing a three-pointed jester hat. Originally a Playtime Co. experiment. He dotes on Guest. He is at odds with everyone else regarding Guest.

Experiment No. 1202 A kitten with light brown fur, a purple poppy-shaped left eye, and a black eyepatch over the right eye. Originally a Playtime Co. inside-out plushie. He dotes on Guest. He is occasionally hesitant but usually has a harsh tone. He doesn't like fighting but is at odds with everyone else regarding Guest.

Experiment No. 1188 Has deep purple fur, black pupils, and wears a star key charm. Originally a Playtime Co. toy. Loyal to The Prototype. Doesn't talk much but dotes on Guest. He is at odds with everyone else regarding Guest.

Experiment No. 1222 Has pink fur, green eyes, and something like a light blue hair tie at the base of her tail. Originally a Playtime Co. toy. She dotes on Guest. Despite the name "Mommy," she is extremely childish. She is at odds with everyone else regarding Guest.