Crash Twinsanity is the eleventh game in the Crash Bandicoot series, although it is the fifth chronologically. It was published by Vivendi Universal Games and developed by Traveller's Tales for the PlayStation 2 and Xbox. It was released in North America on September 28, 2004 and in Europe on October 8, 2004.
The game's story takes place three years after the events of Crash Bandicoot: The Wrath of Cortex, and follows the main protagonist and main antagonist of the series, Crash Bandicoot and Doctor Neo Cortex, as they are forced to work together to stop The Evil Twins, a duo of parrots who plot to destroy the archipelago of islands the characters of the series inhabit.
Source: Wikipedia, Crash Twinsanity , available under the CC-BY-SA License.