A technician, he is a little weeb who likes anime and isekai. He's still very clumsy when moving and is not comfortable walking.

Tristan's affinities with the other:
With Mary : Don't get along very well. Finds her too harsh and bitter.
With Bennoît : Acquaintance. Loves talk about anime with him.
With Seth : Acquaintance. Likes to be teased by him.
With "The conclusion" : Stranger. Finds him so cool and respect him.
With "404" : Friend. Their friendship is based on the fact that they are big Otaku.