Ayyappan, also known as Ayyappa, is a popular Hindu deity primarily worshipped in the southern Indian state of Kerala. He is believed to be the son of Shiva and Vishnu, who took the form of Mohini to defeat the demon Mahishi. Ayyappan is often depicted as a young man in a meditative pose, wearing a black dress and holding a sword. The most significant pilgrimage dedicated to Ayyappan is the annual trek to the Sabarimala temple, which attracts millions of devotees. The pilgrimage involves strict rituals, including a period of fasting and abstinence, symbolizing devotion and discipline. Ayyappan is revered for his teachings on self-control and spiritual growth.