Dr. Neo Periwinkle Cortex is the main antigonist in the Crash Bandicoot series. In Crash Bandicoot, he is voiced by Brendan O'Brien, along with all the other characters. From Crash Bandicoot 2: Cortex Strikes Back to Crash Nitro Kart, he is voiced by Clancy Brown. As of Crash Twinsanity, he has been voiced by Lex Lang. Contrary to popular belief, the "N" on his forehead stands for "Nerd", NOT "Neo".