It all started here , a long time ago. And it's been back since I was playing a game that Racer had told be about, XTux, and I noticed something interesting after the scene in which Konqui/Tux/Wilber/whoever you're playing as returns home to find his house ransacked:

Metalhead geeks, apparetly not an oxymoron. Just ask PGG or me. Try your own hand at it, here's the screenshot I used:

Another one, this time based on SuperTux and animated: