This is one of the odder heresies I read about this morning:
After these there were not wanting a Marcus and a Colarbasus, composing a novel heresy out of the Greek alphabet. For they affirm that without those letters truth cannot be found; nay more, that in those letters the whole plenitude and perfection of truth is comprised; for this was why Christ said, “I am the Alpha and the Omega.” In fact, they say that Jesus Christ descended, that is, that the dove came down on Jesus; and, since the dove is styled by the Greek name περιστερά —(peristera), it has in itself this number DCCCI. These men run through their Ω, Ψ, Χ, Φ, Υ, Τ—through the whole alphabet, indeed, up to Α and Β—and compute ogdoads and decads. So we may grant it useless and idle to recount all their trifles. What, however, must be allowed not merely vain, but likewise dangerous, is this: they feign a second God, beside the Creator; they affirm that Christ was not in the substance of flesh; they say there is to be no resurrection of the flesh.
Schaff, Philip (2009-06-08). Ante-Nicene Fathers Volume 3 – Enhanced Version (Kindle Locations 41170-41181). Christian Classics Ethereal Library. Kindle Edition.
Appendix: Against All Heresies
Trans. by Rev. S. Thelwall
Ch. V Marcus and Colarbasus