4 x 3D models to be created (just the heads) Completed in 2-3 days max

I am in need of four 3D models of realistic human heads to be created. The 3D models must be medium-poly for animations. I have specific characters in mind and images for reference. The ideal freelancer for this job should have experience in 3D modeling and be proficient in creating realistic human features. Attention to detail is crucial for this project.