Full Name Basis, plus a formal title.
John Smith, Harvester of Souls. Hal Jordan, Green Lantern. Sometimes a Full-Name Basis just isn't enough, and one has to go the extra mile, and add a title onto the end. This often results in Names to Run Away From Really Fast, since it is assumed that one with such a title has probably earned it with the acquisition of vast power. See also Try to Fit That on a Business Card.