He/Him
Montparnasse, (a) head of the Patron-Minette.

Éponine owes me a napoleon for my troubles.

On good terms with Claquesous, who... I haven't seen in a while...

Crime, poetry, theatrics and the like.

Compare me to Lacenaire one more time and you may coincidentally misplace your coin purse. It's been known to happen.