Ability:

Shapeshift into animals

Limitations:

- Unconsciousness, excessive pain, and/or death may involuntarily revert them back
- May have a limited selection of predetermined animal forms to take
- May require a visual memory or genetic sample of target animal
- Staying too long in an animal form may affect users' mind
- May have no control over their transformation
- May only partially transform, becoming a humanoid animal

Users:

- Beast Boy (DC Comics)
- Snowbird (Marvel Comics)
- Catra (Masters of the Universe)
- The Lizard (Marvel Comics)
- Werewolves (Multiple Media)