Batbrain (Sonic the Comic)

The Bat Brain is a character that appears in the Sonic the Comic series published by Fleetway Editions. It is a bat-based Badnik variant created by Dr. Ivo Robotnik. They were among the first generation of Badniks Robotnik produced and has posed a threat to Mobius since the doctor's early days.

History
Since their creation, the Bat Brains have terrorized Mobius' inhabitants and repeatedly fought the Freedom Fighters. One time, Bat Brains and the Badnik army tried to defend one of Dr. Robotnik's devices, but were no match for Sonic the Hedgehog.

A Bat Brain and other Badniks later came together to torment Tufftee, who had gotten himself into their trap in the Marble Zone, with death threats before deciding to turn him into a Badnik with the Portable Badnik Processor. Thankfully, Sonic came to Tufftee's rescue and destroyed the Bat Brain and the Badniks.

A couple of Bat Brains were summoned by Robotnik to kill Sonic after Robotnik had stolen his powers and looks. As such though, the Bat Brains mistook Robotnik for Sonic and attacked him until Robotnik returned Sonic's powers, which the hedgehog used to destroy the Bat Brains. While useless Bat Brains were melted down to be repurposed, others units aided the Marxio Brothers' schemes which were foiled by Knuckles, were used in simulations by Grimer, and ravaged the Casino Night Zone until Tails and his allies stopped them. More Bat Brains tried taking out the Freedom Fighters and almost succeeded, but were foiled by Shortfuse the Cybernik. On the day where Robotnik's tyranny ended, hundreds of Bat Brains and other Badniks were called into stopping the rebelling Mobians until a global electromagnetic created by Super Sonic destroyed them all.

Later, at an operating station on Flickies' Island, Robotnik started building new models of Bat Brains which were more round and dreadful-looking. These models would challenge the Freedom Fighters on a few occasions, during one of which they were commanded by Agent X.