Mathias Burrel is a 10th grade student at Kadic Academy. In the episode X.A.N.A.'s Kiss, he's seen kissing, a Polymorphic Clone of Yumi. This gossip was spread to Ulrich. In the episode Music to Soothe the Savage Beast, Odd is asking him for tickets for the Subdigitals, but he had tickets for another music group called Aerosmooth. He was seen talking to William in Fight to the Finish.
In the English dub, he is voiced by Sharon Mann. In the French version of Code Lyoko, his voice is provided by Carole Baillien.
Mathias has short black hair and glasses. He wears orange, blue, and green.
Gallery
After being kissed by the Yumi clone in X.A.N.A.'s Kiss.
He is seen here in the background.
Eating his lunch in Cold War.
In his swimsuit on William's left in The Secret.
In the left corner next to Christophe M'Bala.
Turning his attention toward Jim in Maiden Voyage.
Set the chair for Brynja in Kadic Bombshell.