[quote=@Eddie Brock]
<Snipped quote by Gowi>

Depends on whether you're more Kantian or moral absolutist. If you believe killing -- regardless of the intention -- to be an evil act, then Punisher cannot be Good.
[/quote]

That's the thing about the alignment system: good [i]can[/i] kill. It just has to be justified by the orderly facet. 

I tend to recognize Punisher as Chaotic Neutral as I feel his intentions aren't to do good but to facilitate his individual opinions through vengeance. Chaotic Neutral is "The Individual".