He is shown to be somewhat smarter than Scratch and Grounder, and is shown to have his own styled gadgets in his attempts of defeating Sonic. Robotnik's janitor and is often trying to impress him by outdoing Scratch and Grounder in stopping Sonic to no avail. At some point, he was demoted to working as Dr.
Robotnik when he put one of Scratch's tail feathers into the Robo-Matic Machine. He is the older brother of Grounder, both of whom work to catch Sonic which with comical results. Robotnik wanted the Robo-Matic Machine to create a super robot, only for it to produce Scratch instead due to a malfunction.
His headquarters is a fortress atop Mobius' tallest mountain, where he uses his Robo-Matic Machine to create robots called Badniks to aid him in his plots.
Doctor Ivo Robotnik – An evil mad scientist who uses robots and inventions in order to take over Mobius.Tails – A two-tailed fox who is Sonic's best friend.Sonic works to defend Mobius from the threat of Dr. Sonic the Hedgehog – The main character of the series.
