Tul are awesome whiteboard markers. They write extremely well--better than the leading brands--and they're magnetic. As if that weren't already enough, they have erasers build onto the caps.
The author/artist has posted in his blog that he's okay. There are quite a few pictures (warning to those with slow intarwebs), and an interesting first-person account. http://santapau.livejournal.com/20783.html