Neo Periwinkle Cortex, (ネオ・コルテックス Neo Cortex in Japanese) most known as Doctor Neo Cortex, N. Cortex, Cortex, or Doctor Cortex, is a professional evil scientist born in Peoria, Illinois and the main antagonist of the Crash Bandicoot series. He is known as the creator of his nemesis: Crash Bandicoot. In almost all games, Cortex is usually the final boss, the exception being N-Tranced (where he is a playable character in multiplayer mode), Crash Tag Team Racing (where he is a playable character), Crash Twinsanity (where he is the first boss and then becomes a playable character in some levels) and Crash of the Titans (where he is also the first boss).