This one is swirling around Twitter right now. As a death metal fan, I can’t do anything but agree. They are all great, but I really like the Yahoo and Microsoft ones, hope they adopt them – I’d buy the t-shirt!
See them all at FastCoDesign: http://www.fastcodesign.com/3020926/innovation-by-design/11-famous-companies-re-branded-as-black-metal-bands