The Acharya Annan Koil swamy is the nowadays Acarya and is doing the worship of all those deities very strict! On the pictures he is holding the wonderful Lakshmi Narasimha Vigraha! This Lakshmi Narasimha Deity is from the personal possession of Manavali Mahamuni, a very great devotee of Lord Ranganatha, and a expansion of Sri Ramanujacarya from the 15. century.