After taking good care of her health and living for a long time, Tewi became something more than an ordinary rabbit. She leads the Earthborn rabbits living in Eientei. Her impetuous temperament makes her seem more like a fairy than a phantom. Humans who lose their way in the bamboo forest around Eientei sometimes catch a glimpse of Tewi. Those who see her are able to find their way out without fail, so she is considered a guide of the forest. It's a shame that they waste the fortune given to them by Tewi on such a small thing, but humans are too clueless to notice their mistake. (Source: Touhou Wikia)
A witch who has settled down in the Scarlet Devil Mansion. Unlike the mistress of the house, she is not weak against sunlight; however, she does not go out much. She spends her days in a library where the sunlight cannot reach. This is so that the books won't be damaged, but the unhealthy atmosphere is bad for her health. She doesn't have a very proactive personality, but rather always walks her own path. However, she is always interested where knowledge is concerned and will proactively go and try to acquire it. She completely depends on her books, but still makes a lot of mistakes. Although she is quite skillful, her complete lack of physical fighting ability can't be helped. She pretty much never attempts to directly punch or kick her opponent. She makes up for this with her knowledge of a great variety of powerful magic. She's more at ease using magic than trying to attack physically. Dividing the magic she uses according to the days of the week is a secret hobby of hers, but no one has realized this. (Source: TouhouWiki)
Marisa is a human witch who lives in a cluttered house in the Forest of Magic. She is friends with Reimu and visits her often, but otherwise is solitary and spends most of her time researching magic. She is also an avid collector stuffing her house with various items, and would go "borrowing" things from others without returning them. She is selfish, sometimes violent, and has a disagreeable manner. Underneath, though, she is honest and a hard worker. This makes it strange that she is friends with Reimu, whose powers are purely from talent while she had to work very hard to get her own to the same level. Her ability is high-level destructive magic. (Source: Wikipedia)
Issa is a creature that looks like a stuffed panda. He refers to himself as "the empathic one" of the trio, puts the most effort into trying to be nice to Ami, and makes many unsuccessful efforts to make peace between Iyo and Kenta. His date of birth is the 23rd of November.
Ami, the protagonist of the Anime, is a five-year-old preschool student who has just moved into a new home and neighborhood with her family. She is intelligent and imaginative, but grounded and a bit easily flustered. The revelation that a gate to Ani-Yoko is in her room, and the increasingly bizarre actions of her three visitors, frequently drive her to the brink of total distraction, yet she seems to have gotten used to their presence, with Ami sharing some of her regular life with them. Her date of birth is 15th December. (Source: Wikipedia)
Emily is Break's little doll who usually sits on him. She sounds like "click click click", which with addition to her freaky smile makes her really scary for Oz.
Kenta has the appearance of a stuffed bear. He is brusque, frequently rude, and sometimes picks up odd obsessions. He has a love-hate dynamic with Iyo, with whom he is always arguing or fighting but he still appears to be close to her. His attempts to assert his species identity frequently end in disaster. He is always seen wearing a red muffler, and it is usually a sign that something is very wrong if he is without it. He also often gives the punchline in jokes where all three of the trio are involved. His date of birth is the 6th of May.