Tuluva Isvara Nayaka was a commander of Vijayanagara Empire, South India. He was also the father of Tuluva Narasa Nayaka and grandfather of Viranarasimha Raya, Krishnadevaraya and Achyuta Deva Raya.
He served Saluva Narasimha Deva Raya’s several expeditions with his son Tuluva Narasa Nayaka.
References
Tuluva Isvara Nayaka Wikipedia(Text) CC BY-SA