" bêtes noires "

 [ "Bête Noire" ]

1: A pink trait from glitchtale who aims to destroy humans and monsters. Somehow gets a lot of hate from the fandom.

  * e.g.,  ... Bête Noire is glitchtale's main antagonist. 

 [ "Bête Noire" ]

2: Also used to be an innocent human called amber before the brat called agate possesed her.

 [ "Anti Bête Noire" ]

1: Anti Bête Noire is the total Opposite of Bête Noire, bête noire means Black Beast so anti bête noire obviously means Anti Black beast the definition of anti bête noire means a person or thing somebody enjoys to be around and one particularly likes

  * e.g.,  ... Random Jock: Hey look it's (Insert girl/boy name) the anti bête noire of the school! 

 [ "Bête Noir" ]

1:  A French saying, usually referring to a person, that you particularly despise. Not often seen in common use, and not often easy to slip into a sentence. Generally, a fun but difficult term. The primary antagonist of an Undertale animated series called ‘Glitchtale’ by Camilla Cuevas. (Even less often used)

  * e.g.,  ... P1: You know John?