Doctor Octopus because of his depth.

The first 4

Dr. Eggman, because whether he's goofy and over the top, or threatening and merciless, he remains a cool villain, and formidable evil genius. He is the perfect arch-enemy for Sonic.

Doctor Octavius because he redeem in the very end and become a state hero he saved over 10 million innocent people and later on in No Way Home he became a pure good hero fighting for the innocent and stopping the evil before it harms the innocent all the way welcome to the hero army light side Dr Octopus we can always use more smart brains join everyday could we right guys!

Leader