Also Swedish, NorwegianPronounced: mat-TEH-uys (Swedish, Norwegian), mə-TAY-əs (English)Meaning: Portuguese, Swedish, and Norwegian form of Matthaios (see MATTHEW)
Mateus is the name of one of the Espers from the video game Final Fantasy XII. He wields ice-based magicks and represents the Zodiac sign Pisces. (Although in his case the name probably derives from a different source.)