Nothing says rock and roll like a big old anti-establishment, stick it to the man, we’re not going to take it, fighting in the streets, power to the people logo…

I tried to upload the picture of the album cover for the new Guns N’ Roses record and it shut down IE and the file disappeared. [...]

Chris Harris at MTV Newsroom has a list of the Top Ten Most Illegible Metal Logos.
I’ll quote Chris here…

When it comes to heavy metal — specifically grindcore, black metal and death metal — the rule of thumb is generally the more illegible, the better. In a sense, these logos, which often include at least one [...]

Deciding on a logo design can be a difficult process. A logo is not always a sales pitch. In other words, a logo isn’t always used to sell something. A lot of times a logo is used as an identifier. You know how sometimes you can’t remember a name but you can remember a face. [...]