Vivienne (Vivziepop) let fans have their own versions of the characters.
in my version: Alastor is Asexual-Romantic, that means he doesn't feel sexual attraction, but have romantic attraction.
Charlastor is only a non-canon shipp.

Yes, i love my rivals! 0w0
#RivalsNotEnemies

Nya, i love Internazionale too! ^w^