Thrissur Pooram is the most colorful festival of Kerala celebrated in front of the Vadakkumnathan temple every year. This festival was started in the 18th century by the erstwhile ruler of Cochin Raja Rama Varma Sakthan Thampuran. He unified ten temples in and around Vadakkumnathan Temple and organized Thrissur Pooram as a mass festival. Poorum festival is celebrated with a belief that worshipping the elephants and giving them healthy food will please Lord Ganesha and remove obstacles from their path.