Comic Book Style Head Sculpt

I'm seeking a skilled 3D artist to create a custom action figure head sculpt in STL format based on four provided images. The style should be comic book-inspired and the expression should be a smile.

Key Requirements:
- Stylized, comic book aesthetic
- Smiling facial expression
- Deliverable in STL format

Ideal Skills and Experience:
- Expertise in 3D modeling and sculpting
- Strong portfolio in comic book style art
- Experience with action figure design

Please provide samples of relevant work.