Hannor Mir
From The Stargate Omnipedia
Mythical figure found in the sacred Book of Origin, the foundation of belief for followers of Origin and the Ori. Hannor Mir fell from above and learned to fly on the way down. Ori Priors may recite this incident as an example of a true miracle.
Depending on how this passage is interpreted, Hannor Mir himself may have been an Ori.
KEY EPISODE
Origin - A Prior of the Ori cites the parable of Hannor Mir as a miracle.