Saiji Tatemiya

Saiji Tatemiya is a supporting protagonist in the light novel and anime series A Certain Magical Index. He is the Substitute Supreme Pontiff of the Japanese-based Amakusa-Style Remix of Church, leading the sect in behalf of Kaori Kanzaki who has vacated the position of Supreme Pontiff before the start of the series. As Substitute Pontiff he and the Amakusa Christians went on missions which carried the ideals that their Priestess (Kaori) believed in, and that is to always aid those in need. He later willingly steps down from the position after Kanzaki Kaori returns as the Supreme Pontiff of the Amakusa Church. An amicable man, he has lead his group several times to aid Kamijou Touma, and is a reliable ally to him in dire times.

He is voiced by Kosuke Terumi in the Japanese version of the anime and Duncan Brannan in the English version.