"OC"
I have discovered that my initials correspond to a former maya glyph that indicates the tenth day of the week.
That glyph can be translated by "footprint",which can be explained by the fact this day was dedicated to a dog-shape god.

More informations on the glyphs and the mayas at
www.halfmoon.org, www.mayaruins.com, www.jaguar-sun.com.