Ohica was a priestess of the Sisterhood of Karn. She helped the Fourth Doctor destroy Morbius. She served Maren until her death when she took on the role of High Priestess . (DW: The Brain of Morbius)
- The Sisterhood had, in the Dark Times of Gallifrey, originated on that world, making the Sisterhood, by default, Gallifreyan biologically, if not culturally.