Nice drawing. Did you make it up, or was it based/copied from another drawing?
The quality of the photo doesn't help the picture much. I'm guessing you don't have a scanner? (if you do I'll be confused)
I'm not sure about his eyes, how they slope down, particularly his right (our left) it doesn't fit with his left (our right) which is a lot fiercer, the slope on his right eye makes him look a lot more docile.