An old try somewhat close to the current drawings. The very last guy looks more like the current facial structure.

Bad Dave somewhat recently, i've changed it a bit since.

The very first time i tried drawing the characters new, facially this is current the bodies have been somewhat changed.

A few side characters i sketched out randomly:

Quick Hands Clyde, a mafia guy from 1860's London.

Sampson, might make my 'smart' guy, need to debritishize.

escaped convict, probably just a guest character i can't see him becoming anything important.