Look, it’s the crabby boss from Glorkbot’s Mini-Adventure. 
Pixel art by Rich Grilloti, based on my design.  (Although, I may have drawn that section of the cave, or at least colored it, it’s hard to remember.)
I’m not sure the mandible movement is quite right yet, but I wanted to share it with you.  Click the pic to see full size.

Look, it’s the crabby boss from Glorkbot’s Mini-Adventure

Pixel art by Rich Grilloti, based on my design.  (Although, I may have drawn that section of the cave, or at least colored it, it’s hard to remember.)

I’m not sure the mandible movement is quite right yet, but I wanted to share it with you.  Click the pic to see full size.