Your composition is appealing. It captures the eye and draws your feelings upwards while still focusing on the character. It is simple, colorful and clean. The ears are not in the correct spot, but other than that I find it very nice. I am not sure about the others. They are interesting, but not as visually appealing to me.
If you read above comments, you will find that the "author" of these "pictures" is no longer with us. (and why)