ONE (Dark Matter) = Rokuro "Rock" Okajima (Black Lagoon) Like ONE, Rock comes from a well-to-do upbringing, having lived a sheltered, moneyed existence prior to the events that landed him among decidedly colorful company.  From white collar careers to running with mercenaries, these two share similar fish-out-of-water experiences that force them to toughen up and mature if they are to survive. TWO (Dark…