KATA TON DAIMONA EAYTOY is inscribed on Jim Morrison's grave. This phrase was drafted by Morrison's father who read a great deal of Greek, mostly New Testament Greek. His intended message was along the lines "Faithful to his own spirit." I don't know if he succeeded grammatically, but that was the intent, according to family statements.
“According to his own "daimon" [spirit]" --
Any attempt to translate the Greek inscription which is written on the gravestone literally, will lead us in a completely wrong path. “According to his own daimon”, sounds as a decent translation, but such a straight approach could easily make us turn in a wrong direction.
Daimon in ancient Greek means spirit, rather than daimon and contains no negative or pejorative qualities. It derives from the word “daiein” (=to distribute). In ancient times, deities who distributed the fate and believed to be life changers were called daimones (daimons). The protector deity that lived inside the man from his birth till death, and took care of the personal evolution and prosperity (something like the guardian angel) was called “daimon eaytoy”.
http://vilja.deviantart.com/art/Kata-Ton-Daimona-Eaytoy-21619543