Vishnu is one of the principal deities of Hinduism, the supreme being within Vaishnavism, and the preserver of the universe. He has various forms and attributes, such as the conch shell, discus, lotus, and Garuda, and has ten primary avatars, including Rama and Krishna. Learn about Vishnu , the Preserver or Sustainer in the Hindu trinity, who intervenes to maintain cosmic order and protect the universe. Explore his ten principal avatars, his portrayal in religious texts, and his worship in contemporary Hindu practice. This page lists 1000 names of Lord Vishnu , which are collectively known as Sahasranamavali of Lord Vishnu . Vishnu is one of the principal deities of Hinduism and known for his 10 primary avatars who descend to Earth to preserve order.