Carmen is a member of the Caph Team Star crew and is
Eri's right-hand man. She appears in Pokemon Scarlet and Violet, and is the only named Team Star Grunt NPC, despite looking like the other
Team Star Grunts.
Carmen used to be a bully to Eri, bullying her for her large stature and "not normal" looks, causing Eri to leave the school. However, due to the nature of kids, Carmen became the next target of bullying and also fled the school, where Eri took her in despite their past.