byname

a descriptive or familiar name given instead of or in addition to the one belonging to an individual Thomas Edward Lawrence is better known to most people by his byname, Lawrence of Arabia Synonyms alias, nickname, cognomen, epithet, handle, moniker (also monicker), sobriquet (also soubriquet), surnameRelated Words appellation, denomination, denotation, designation, label, tag, title; anonym, nom de guerre, nom de plume, pen name, pseudonym