Arthur Pendragon

Arthur U. Pendragon (Arthur Uther Pendragon) is an human male and an of the Federal Bureau of Investigation who became one of the minor antagonist who became one of Anne's most closet ally within the U.S. Government. Descendent of King Arthur that held back the first invasion of King Andrias' ancestors, he has been investigating his family's sword, Excalibur that otherwise went as the Calamity Sword with the Calamity Box, leading his findings to Los Angeles, California where Mr. X has found "alien frogs", those reminiscent to those from Amphibia.