Overall Description:

Doctor Ivo Robotnik[14][15] (ドクター・イヴォ・ロボトニック[16] Dokutā Ivo Robotonikku?), better known by the alias Doctor Eggman[17] (ドクター・エッグマン[18] Dokutā Egguman?), is the main antagonist of the Sonic the Hedgehog series. 

Plot Description:

The man with the plan, he treats this dilemma of a murderous imposter of his enemy like it’s an insult to even use his time with. Eggman makes his genius known by outsmarting EXE with the same level of emotional manipulation and makes it work, insulting EXE further by letting it be known that he is nothing like the real Sonic.