Aiko Senoo

Aiko is the blue witch apprentice. She is first seen in Episode 3 of Ojamajo Doremi. She is a new student in Doremi's class from Osaka. She becomes a witch apprentice in episode 4 of Ojamajo Doremi, along with Hazuki. Her English dub name is Mirabelle Haywood, and in other languages she is Sophie and Sinfony.