Hajimari no Mahoutsukai

始まりの魔法使い

The Life-Maker, properly known as the Mage of the Beginning. [Spoiler] He is a very important character in Negima! and the secondary antagonist of the series. The Averruncus are his special creations that serve him without question, with the likely exception of Tertium. [/Spoiler] (Source: Negima Wikia)