Belinda, also known as The Bookish Babysitter. She appears in the episode "The Tale of the Bookish Babysitter" She was portrayed by Natalie Radford.
She’s a young witch with an incredibly overactive imagination. Ergo, both the benevolent and malevolent manifestations of her imagination literally come to life when they are read about. So they must be contained within books. She’s also a popular babysitter who helps the kids she babysits learn the wonders of reading and imagination. By actually having them become part of the stories as they’re being read. She also enjoys watching the manifestations of her imagination come to life when they are read about. However, she has to be very careful to make sure they don't get too out of control.