Who is the main villain of the Crash Bandicoot series?

The main villain of the Crash Bandicoot series is Dr. Neo Cortex. He is a mad scientist who possesses a highly intelligent and manipulative nature. Driven by his thirst for power and control, Cortex constantly devises plans to conquer the world and eliminate Crash, the main protagonist. With his loyal sidekick, Uka Uka, Cortex launches numerous evil schemes and uses his scientific expertise to create genetically modified animals, known as the "Cortex Commandos," to do his bidding. Throughout the series, Cortex tirelessly seeks to undermine Crash's efforts to stop him, making him the primary antagonist in the Crash Bandicoot universe.