Alien: Digital drawing

Hello everyone!

I want to share with you a new digital art work. It is a drawing of an alien. It kind of reminds me of "Smiggle" in Lord of the Rings too.

Tools:
1)Adobe Photoshop Cc 2019.
2)Huion Kamvas 13 Pen tablet.

Below are my step-by-step processes:
Sketch Process:






Shading Process:






Adding a bit of contrast:

Thank you!