This builder of the Death Egg once tricked an echidna into fighting his nemesis, who always attemps to stop him from obtaining the Chaos Emeralds.
This character was responsible for releasing Black Gaia. He hired the Babylon Rogues in order to obtain a treasure that turned out to be a magic carpet. This man's grandfather used the DNA of Black Doom to create the ultimate life form. This character's cousin Maria suffered from Neuro-Immune Deficiency Syndrome, and in a more recent game he is responsible for imprisoning the multi-colored Whisps and building a giant amusement park in orbit. One of his subordinates kidnapped him and transformed into Metal Madness in one entry, and he used the giant (*) laser on the Space Colony ARK to destroy GUN Headquarters. He had previously discovered his grandfather's creation, Shadow, on board that colony. This builder of the Death Egg once tricked an echidna into fighting his nemesis, who always attemps to stop him from obtaining the Chaos Emeralds. For 10 points, name this enemy of Knuckles, Tails, and Sonic the Hedgehog, a fat mad scientist.
This character was responsible for releasing Black Gaia. He hired the Babylon Rogues in order to obtain a treasure that turned out to be a magic carpet.
Doctor Ivo Robotnik [or Doctor {Eggman}]