Father Renaldo is a minor character in the anime series, Hellsing, and it's subsequent adaptation, Hellsing: Ultimate. The archbishop of the Iscariot and the right hand and bodyguard of Enrico Maxwell, Father Renaldo plays a minor role in the Non-Disney Villains Tournament.
Non-Disney Villains Tournament
Both Enrico and Renaldo welcome officially the priest, Father Cornello, into their organization, unbestknown to them that Cornello is actually Envy in disguise. Due to the series discontinuity, Renaldo isn't featured in the later stages of the war.