1. It is perfect legible to me.
2. That picture goes back to the old days (pre 1992), when they did even had a formal record. When Dead killed himself and Euronymous was assassinated by Varg, the corpse paint days were gone. Maniac used it a bit as well as Attila wears it now but in a very different fashion.
3. I see no problem with those names, they kick ass! And Hellhammer comes from the band that originated Celtic Frost.
Bottom line, Mayhem owns!!!