No, Now it's pillow shaded. Don't shade around the edges. Consider a lightsource. If it helps, draw a little sun in the corner, with lines coming off it, and put your highlights where the lines would hit most, and the shadows where they'd hit least. Also, I'm not sure you've got the best palette choice there. I might make a quick edit.
EDIT: Here's a quick edit I made. Picked out a new palette and reshaded it. I also redid some of your lines, because they were horribly wonky. It looked like you'd just sketched the outline and then coloured it. Don't do that. By all means sketch it, but neaten it off afterwards.
There's too much shading for this to be TFR style, but I'm trying to get across the idea of lightsource.
EDIT 2: It occurred to me to point out that I added another horn, to show the larger one on the other side of his head. The reason for this is that no matter how perfectly you try to look at the side of an object, perspective still exists and so you will more or less always see something of objects in the background like that. Keep in mind that, though you're drawing in a 2D medium, the object you're drawing represents 3D space.
EDIT: Here's a quick edit I made. Picked out a new palette and reshaded it. I also redid some of your lines, because they were horribly wonky. It looked like you'd just sketched the outline and then coloured it. Don't do that. By all means sketch it, but neaten it off afterwards.
There's too much shading for this to be TFR style, but I'm trying to get across the idea of lightsource.
EDIT 2: It occurred to me to point out that I added another horn, to show the larger one on the other side of his head. The reason for this is that no matter how perfectly you try to look at the side of an object, perspective still exists and so you will more or less always see something of objects in the background like that. Keep in mind that, though you're drawing in a 2D medium, the object you're drawing represents 3D space.