Mostly GSD to me. It might be the angle of the photo but his body seems shorter than most GSDS' bodies are. He is a good looking dog and who cares what you name the breed? He is who he is. Enjoy him!
Deja, GSD, sable WL, female, born 11 / 2013
Cam, Rough Collie, sable, male, born 8/2015