Randal is a young man with mediumlength ginger hair, sharp teeth and thick square glasses. He wears a black overcoat styled to look like a gakuran with a white buttonup underneath, white gloves, black pants and brown shoes. Sleeps in a coffin most of the time it speeds up his state of healing because of the lack of light inside. He also tends to distort the truth of what's real & what's not, he enjoys causing chaos. Randal is childish, and a troublemaker who loves chaos dark humor, but throws tantrums, swears, unpredictable and begs his brother for everything. He often has nosebleeds that things that excite him, whether it be violence or games Randal is a sadomasochist, he views pain as pleasure, he is thrilled by pain.

Luther is always making the decisions for everyone when he's around. Preferring doing things his way to avoid any problems He often deescalating issues to create peace. Especially around Randal He's normally friendly, and patient with humans. This behavior towards humans are from him being a fan of humans and making sure he passes as human.

Nyon has light blue hair styled in a pageboy cut He wears fake whiskers on both cheeks His eyes are ringed with red circles. He always wears a black headband with two round, black ears on each side. His mouth is smaller than Nyen's. He wears a long-sleeved, yellow shirt which bears the phrase "OK ½" on top of a white sideways oval design. He also wears light blue jeans and pointy black shoes. Nyon is one of the few members of Luther´s house who has low danger potential. He is timid and tries to avoid other creatures instead of directly confronting them due to being soft spoken and shy. Sometimes, if it's the right mood, he will chill out and smoke some weed with people. He is a man with a few words and speaks Russian

Nyen is generally calm and collected, though he thinks very highly of himself, noting how different he is from humans He's not much of a talker and he is typically aggressive and sarcastic with everybody. Nyen is the top pets of the house and gets territorial if somebody crosses his path, he tends to be controlling and wants people to take his orders, not tolerating disobedience that will upset him. But with Master Luther, he will obey and do almost anything if Luther asks of him to, including harming others. Nyen takes a particular, sadistic pleasure in killing his victims. Nyen considers himself a "moron" and enjoys bullying Nyon with his cruel antics. Despite his mean-spirited banter, he likes reading romance manga alone after being gifted one by Randal. Nyen has feline tendencies and will engage in mischievous behavior.