Cat Costumes. Today, the Halloween season celebrates this historical tabby by providing cat costumes of every imaginable feline, past and present. Whether you fashion dressing up as a Kitty Cat, Jungle Cat or Wild Cat, we have cat costumes for all you feline enthusiasts! Rubies Adult Sylvester the Cat Costume. Rubie's. $ Sold and shipped by BuyCostumes. a Target Plus™ partner. Choose options.1/5.