Guan Yin
The Threefold Lotus Sutra describes Guan Yin as a Bodhisattva who can take any form. She can transform into a male, female, adult, child, elder, human, or non-human, in order to teach the Dharma. The Threefold Lotus Sutra states that Guan Yin has 33 different manifestations. Seven of these are female.