Unlike the brooding, moody Jane, Stevenson's Punisher indeed seems driven by vengeance but aware of what he is doing. He has developed a network of helpers who identify when, where, and how many mobsters will be gathered. He then shows up to dispense his brand of justice...a high-octane bout of gunfire, physical decimation, and killing.
Unfortunately, Dominic West looks like he thinks he is playing a cartoon character. His walk, his facial expressions, vocal inflections, and interactions with Doug Hutchinson move them from "believable, intense villains" status straight to "How in the world did you get (mis)cast for this part?