Continuing our exploration of gender and sexuality in Islamic history we turn to the figure of the mukhannathun, a third gender category in early Islam. We trace ideas of gender as a fluid spectrum through the lives of these individuals examining their existence in the life of Muhammad and the nascent Muslim community, the Umayyads, and their eventual status in Abbasid society. We analyze the way in which they intersect with ideas of sexuality and theories of sex which fuse Islamic and Hellenistic models. Finally, we explore the legal discourse around intersex bodies and how these then make room for local expressions of gender in Indonesia and South Asia.