Dr. Eggman (Classic)

The classic counterpart of Dr. Eggman is a younger version of his modern self from an alternate dimension. He desires to destroy Sonic the Hedgehog and conquer his world. Even assisting the Modern Eggman in an attempt to achieve these goals.

Sonic Generations
Classic Eggman is first heard after both classic and modern versions of Sonic enter through the first boss gate in White Space. He battles Classic Sonic aboard the Death Egg using his Death Egg Robot (or his Big Arm mech on the 3DS handheld console) but is soon defeat and trapped inside the machine’s wreckage. Before he could escape however, the Time Eater appears and kidnaps Eggman, who all the while begs Sonic to save him.

He eventually reappears before the final boss fight at the center of time and reveals himself to be one of the masterminds behind the Time Eater alongside Modern Eggman. Both villains worked together to improve the Time Eater’s abilities so it can erase their past failures and enemies. But using the Chaos Emeralds, both Sonic’s achieved their super forms and defeated the mad scientists once again.

Classic Eggman is then left trapped in White Space to wander aimlessly with Modern Eggman. He questions his older self about his future and is left a little less hopeful when he discovered that he ever wins against Sonic the Hedgehog.

Personality
Classic Eggman’s personality is very similar to his modern counterpart but is less unhinged and more calm and calculating. This is because the pressures from numerous defeats have yet to really take their toll on his mind. After witnessing a display of madness from his alternate self, Eggman began to question his future and worries that he would also become just as crazy one day. However these thoughts did not seemed to change the doctor, as he continues his attempts at global conquest.