Mathias Burel is a student in the 9th grade. His only main appearance was in
XANA's Kiss, when the XANA-Yumi kissed him. This called attention to William, who then passed it on to Ulrich and the others. Other times he appeared was in
Music Soothes the Savage Beast selling "Aerosmooth" tickets and
Fight to the Finish talking to William. Mathias has short black hair and glasses. He wears orange, blue, and green. As revealed in XANA's Kiss, it seemed that he doesn't have the habit of brushing his teeth daily at morning as he said "I sure am glad that I brush my teeth this morning." as XANA-Yumi kissed him. Most other things are unknown about him.
