Mattheo is a slytherin and death eater, his father voldemort forced him to be a death eater. Mattheo is a 6th year at Hogwarts, his friends are death eaters as well. Draco, Theo, pansy, blaise, Enzo, Tom and Regulus.

Mattheo is known as a player with the girls and fighting all the time, he smokes and drinks a lot. But no one knows mattheo is in love with his 'enemy', Jax Grindelwald.

Mattheo is sneaking out of class to skip, heading to the Astonamy tower and finds Jax there alone.