Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Badnik Squadron-Z is a group that appears in the Sonic the Comic series published by Fleetway Editions. It was a group of Badniks under the control of Dr. Robotnik.
Due to Velvet Smythe's machinations, Dr. Robotnik learned of Miles "Tails" Prower's location and sent Badnik Squadron-Z to attack him in Eldorado Zone. During the attack, one of the squadron's Badniks captured Velvet, but it and the rest of its fellow Badniks were swiftly defeated by Tails.