Sully Diy Costume . Foam pattern body and legs. Boo sully and mike wazowski for cartoon spirit day. Sully Costumes (for Men, Women, Kids) from www.partiescostume.com See more ideas about sully costume, avatar, sully. The homemade sully costume was created by faux fur and paper mache. You will need the white, black, and light blue fabric.