The main character is a little black-and-white puppy named Rover (later changed to Roverandom to avoid confusion with other dogs named Rover). He rudely insults a cranky wizard, who subsequently turns him into a toy dog as punishment. The story recounts his adventures to the unlikeliest of places as he tries to get turned back into a full-sized real dog again. Along the way, he crosses paths with a little boy who teaches him about what really matters in a dog's life.
So here are some preliminary "possibility" sketches of Roverandom, the Moon Dog, the Sea-Dog, and the wizard Artaxerxes. They are nowhere near the final designs, as I will continue to work out problems and explore the characters.
Artaxerxes (younger version):