you were friends with him. And i know because i have come across this art before by another artist who does computer rending and such and this person says they did that in 4 hours and deleted my comment when i asked how they did it and then blocked me. so they obviously stole it but he is removed from deviantart so it doesn't matter anymore. I go through thousands of peoples artwork everyday and i can tell when someone has stolen art and saying they did it. or don't give credit to the one who made it.