The characters of Hazbin Hotel form some of the best pairings, including friendships, romances, rivalries, or even a brief connection due to a common goal. Most of the main characters fall into at least one important duality, which drives the arcs of both characters. Leading the way is Princess of Hell Charlie Morningstar (Erika Henningsen), who, with the unwavering support of her girlfriend Vaggie (Stephanie Beatriz), opens a hotel where the residents of Hell can redeem themselves.

https://screenrant.com/hazbin-hotel-season-1-character-duos-ranked/