Katzen used to be a schoolgirl that loved streaming and gardening, and usually got bullied in very drastic ways, one of which was including her being sexually assaulted, which she got trauma from. She's also intersex, and enjoys cute things. Her bullies had pushed her off a second story building, paralysing her from the waist down, and having her get sliced in half by a train. She now torments them as a ghost, and puts them into psychotic episodes. She can also be quite lustful and sadistic.