Animal Anatomy (multi) – The person can turn into almost any type of animal imaginable.
Beast Boy (DC) aka Changeling can turn into any animal ranging from a fly to a rhino (Tales of the New Teen Titans #3).
Byth (DC) can turn into any animal from any planet which is a feat Beast Boy has not demonstrated (DC Who’s Who #3).
Sideshow (Dakotaverse) can turn parts of his body into myriad animal shapes (Milestone Media Universe Card Set).
Coffin is an African god that can turn into any number of animals that appears in Toxic! #13 (Apocalypse).
Menagerie can turn into animals and appears in Pantheon #7 (Lone Star Press).