Personally I've always liked the way the Helghast look. The whole future fascist look is really inspired even though the glowing eye things are a bit silly if you think about it, wouldn't that be a huge tactical advantage since it would make enemies easy to see you? Anyways, I think they look cool.
Also Nathan Drake is a great Ted Bundy like character. Like Ted Bundy he's handsome, charismatic, and seems like a nice guy but underneath that facade he's a remorseless killer.