Thanks for explaining more.
The heads you mention by Garry Pye (and Tokomotion) are 3D heads not 2D heads and are generally created in Character Creator 2 and then exported to CrazyTalk 8 Pipeline.
2D heads do not need CrazyTalk Animator or Character Creator. The only additional tools you will need are image editing software like Photoshop, Affinity Photo, Gimp etc. or Drawing Software like Illustrator, Affinity Designer etc. Using these tools you would prepare your artwork or photos and then create the head in CT8 using the built in 2D creation tools.
Please Note: The file formats used in Character Creator 3 are not compatible with CrazyTalk 8. To be able to create 3D heads for CT8 you would need to use Character Creator 2.