Warrior, Mage, or Paladin?

I actually played as the Wizard Mateusz Teyn, and it was very unpleasant for me to learn that in the canon, the main hero was the Warrior Billy Gilbert... Why do this, Katauri? I understand that it's cooler when you're given a choice not between character classes, but you simply choose from three DIFFERENT characters, who don't even look alike, and have different names (although the name can be changed). But why then introduce your OWN CANON in the subsequent part of the game (or expansion, I don't know)??? For me, the canonical one is Mateusz Teyn!!! Because it was with him that I completed the first part!!!