What is the name of the game developer who created "Call Of Duty: Zombies"?

The game developer who created Call of Duty: Zombies is Treyarch. They are known for developing the popular Call of Duty series, including the zombie component of the game. Treyarch has been responsible for the development of various installments of the game franchise, with their unique take on the zombies game mode becoming a fan favorite. They have successfully created a compelling and immersive zombie experience that has captivated players worldwide.