Demon Bat
From the Super Mario Wiki
Demon Bats are creatures from Super Mario Land 3: Wario Land that behave altogether similar to Bobo's birds, except that they can latch on to Wario and drain his health.
Demon Bats are creatures from Super Mario Land 3: Wario Land that behave altogether similar to Bobo's birds, except that they can latch on to Wario and drain his health.