In the 1990s, these four similar sets depicting animals dressed up in costumes of their favorite things were produced by Clay Art.  They stand about 3.5'' in height, have 3 and 2 pour holes, and plastic stoppers.  They are stamped "CA" with or without an additional "Clay Art Made in the Philippines" sticker.

Clay Art Animals in Costumes salt and pepper shakers - cats dressed up as a fish and bird

Cats with Fish & Bird Costumes

Clay Art Animals in Costumes salt and pepper shakers - pigs dressed up as corn and a watermelon

Pigs with Corn & Watermelon Costumes

Clay Art Animals in Costumes salt and pepper shakers - cows dressed up as an ice cream cone and milk

Cows with Milk & Ice Cream Cone Costumes

Clay Art Animals in Costumes salt and pepper shakers - dogs dressed up as hotdog and fire hydrant

Dogs with Hotdog & Fire Hydrant Costumes