Bone Bats are minor characters from the 1985 animated series She-Ra: Princess of Power.
She-Ra: Princess of Power
Duke Dreer used a magic wand to reanimate the bones of giant bats to do his bidding. He would refer to these creatures as 'Bone Bats'. However, Grox the Troll knew that these bats were not really alive, merely reainmated by magic.