The title's publisher Delrina was sued for copyright infringement by Berkeley Systems for parodying one of their screensaver products called Flying Toasters with a screensaver from this package called Death Toasters. The case was taken to court and started a big debate about how the First Amendment right pertains to parodies. Details of this unusual case can be found here: en.wikipedia.org/wiki/Delrina#Berkeley_Systems_Inc._v._Delrina.