Alias

 
Alias means also known as (sometimes abbreviated to a.k.a.); also named; or a name that has been assumed temporarily.
"My name is John, alias Clive, alias Scriptor Senex."

One who passes under many names was at one time said to have as many aliases as Robin Of Bagshott. Robin of Bagshott was a character in the Beggar's Opera by John Gay and was also known as Bluff Bob, Gordon, Carbuncle, and Bob Booty.