[@Absolis]
Yeah, the Dark Angels. They're the name of a Chapter of Space Marines. The first of the First Founding chapters, so it felt appropriate.
[img]http://vignette3.wikia.nocookie.net/warhammer40k/images/9/9c/Dark_Angels.jpg/revision/20120620014225[/img]
Don't know where he got the pile of skulls.