The eighth Avatar of Vishnu is Krishna, a Hindu deity who is widely revered as the Supreme Being and is considered to be the source of all creation. He is often depicted as a cowherd or charioteer and is known for his wisdom and teachings. Krishna is believed to have been born in Mathura, India, and is said to have performed many miracles during his lifetime. He is also credited with delivering the Bhagavad Gita, a sacred Hindu scripture.