Okay, we didn't hear his name, but he obviously has one.
I mean, even the map salesmen in this comic has a name and a back story. D doesn't grok "Characters as Plot Device". He deals in characters that are characters first, and plot devices,somewhere down around fourth.
To create a character just to deliver a few ominous lines is just not his style.
Plus the guy ripped up a door. You rip up a steel door in your grand entrance and you get a name. It's in the rules.