Very, but he was not evil. On the very first day he was born he stole all of his elder brother, Apollo's, cows and tricked Apollo into thinking that the cows went the other direction using sticks and mud, and Hermes was less than a day old when he did that. It was like a prank.
Hermes invented the lyre and musical pipes
The shell of a turtle and the gut of a goat. You can read a lot more detail about this and other things that Hermes was famous for in my book "Hermes the Olympian" available on Amazon.
Hermes made a Lyre in order to satiate Apollo's anger for stealing his sacred cattle. Hermes proceeded to give the Lyre to Apollo who became ingrossed with it and forgot about his cattle.
The lyre and sandals.
Hermes gave Apollo the lyre in trade for the Apollo's cattle that Hermes stole
he uses the strings to make an instrument (lyre)
The lyre Hermes made.
The lyre Hermes made.
Yes the Greek God hermes did kill. He killed a turtle and he used its shell to make the first lyre.
Hermes exchanged the lyre for Apollo's cattle.
Hermes is the messenger of the gods. He gave his brother Apollo a lyre to make up for stealing his cows.
Shortly after he was born, Hermes invented the lyre. A bit after that, he stole cattle from Apollo. Apollo agreed to give Hermes the cattle in exchange for the lyre.
The Greeks associated the lyre with Apollo. Hermes actually created it, but after he stole Apollo's cattle and was arguing with him, Hermes started to play the lyre. Apollo was so entranced that he traded the cattle for the lyre.
Apollo traded it for Hermes' lyre.