She is secretly Nidothing, the popular streamer who wears a Nidorina costume.
Under the suit, Dot is a young girl with purple and pink hair with a fringe covering her purple eyes. She doesn't speak much. As Nidothing, she is more energic and will also provide advice to beginner trainers providing various subjects.In real life,she has hard time socializing and calls it a pain. She is really skilled at informatics. Her friends are Dot and Roy. She has a quaxly. She often says "what a pain"