Batman:The Animated Series Wiki
Cat Whistle

Catwoman blowing her cat whistle.

The Cat Whistle is an object used by Catwoman. She uses its high-frequency sound to call Isis. She keeps it in her utility belt.


The Cat and the Claw Part I[]

During her first encounter with Batman, Isis was nearly killed by a truck, but she was rescued by Batman. Seeing her cat safe, Catwoman uses the whistle to summon Isis to join her.

Cat Scratch Fever[]

When Isis went missing, Selina uses the whistle to call her, but had no luck.