He's actually gone the shaven route, so no more skullet for him.
Pest has a glorious skullet.
As for people who are trying to hide it? I don't really know of any that haven't been mentioned. A lot of the artists that I know are balding have shaved it off. That's what I opted for. I would've done it a lot longer ago had I thought about it sooner. I've noticed a lot of shaved heads in techno, though I know it's popular all around and not JUST popular with techno artists. Chris Liebing, Daniele Crocenzi, Len Faki, Carl Cox, Speedy J, Erphun, Yan Cook, Gymmy J, Joseph Capriati, Deh-Noizer, Adam Beyer, both brothers in Filterheadz, Daniele Papini, Paul Kalkbrenner, etc.