Homemade Costumes that Really Won Prizes in Local DIY Halloween Costume Contests! The Queen of Hearts should be Alice instead though. In back story Alice and the Hatter were in love. It is only ever actually stated in one version of the movie.
Yip-Yips from "Sesame Street" - Muppet-like fabric at JoAnn Fabrics. The Yip-Yips' eyeballs are made from Styrofoam and the antennae from pipe cleaners. Inside the costumes are foam hats that make the heads a bit pointy and t.