Evil Tiga is an Ultra-Ancient Giant of Light that bore a strong similarity to Ultraman Tiga. Originally a good Ultra, he became malicious as a result of the influence of his host, Keigo Masaki. after being awakened in the present day via a forced merger. "I am an evolved human. Obeying me is the only hope you pathetic archaic humans have to survive." He then starts destroy the city and admitted himself as "God"