Nope. Flag has been his name forever. He however was not born into a clan, tribe, or family of any kind so he has no clan, tribe, or family name to add to the end of that. Jokingly, he stole "Del Monte" from the banana company and uses that on things that require a last name.
I am thinking of a character.
You have 22 questions (in total, not each). Since you'll have to deduce the story as well, I figured I'd double the amount of questions.
They must all be yes/no questions.
First correct answer closes the game.
If the game hits 22 questions with no correct answer...
Flag speaks two dialects of Ogaitian, a language from his home planet - which sounds like Austrian but nobody understands it save Carmen (though Neb's figured out how to read it). He is fluent in English, understands enough Russian to know what words mean trouble and how to get out of it, and...
If by best, you mean his favorite...
Actually, that's fairly dark and short-lived, so I'll keep it vague. In short, he got his revenge and obtained some items of value at the same time. Maybe not quite an accident but, for him, a happy coincidence.
The virtual one(s). He's almost never home.
Actually, the only thing that wasn't stolen at the Louvre's Apollo Gallery is the Regent Diamond, figure no one would take it because something to do with a curse.
I've also found that the two thieves were leaving for Algeria, thanks of a trace of DNA evidence recovered from a helmet and their past in burglary cases according to the police.