Exu (known as Eleggua in Santeria and Legba in Candomble) is the owner of the roads and doors in this world. He is the repository of ashe. The colors red and black or white and black are his and codify his contradictory nature. In particular, Exu stands at the crossroads of the human and the divine, as he is a child-like messenger between the two worlds. In this role, it is not surprising that he has a very close relationship with the orisha of divination, Orunmila. Nothing can be done in either world without his permission. Exu is always propitiated and always called first before any other orisha as he opens the door between the worlds and opens our roads in life. He recognizes himself and is recognised by the numbers 3 and 21.