I feel like I ought to know who drew this, but neither the drawing style nor the signature are ringing any bells for me.
I’m pretty sure it says J. Meyer, but I’m not even 100% sure about that.
UPDATE: The artist has been found: It’s Joe Meyer. Check the comments below for Joe’s response and links to more of his work.
Butter Rings aren’t too hard to come by. In fact, you can “Enjoy the Fun Shaped Butter Ring with Your Family and Friends!”