Roberto Katze is the President of the United States of America. He is the third Hispanic president in the country's history, and is commonly known as "Mr. Scandal" due to the lascivious side of his public persona. He appears in Toaru Majutsu no Index: New Testament volume 3, and helps Birdway, Accelerator, Touma and Hamazura and co. combat the enemy that appears to be controlling members of the US government.
Vova
