My father always used first initial middle name ...as his father's first name was also his.
My nephew also uses his first initial, ditto he shared the same first name as his father so they called him by his middle name.
I'll double-check, though, and ask him if he is part of some New World Order/Illuminati/State Dept Masons-like Secret Society... if so, his mom will beat the tar out of him ;-)