What new characters do you hope to see in the upcoming DLC?

Basically what the title says.

For me, I'm personally hoping for say, some kind of antagonist characters. I thought of two that could be possible, such as a jerk older sister to the new sibling characters, and possibly a more threatening bad guy, like I dunno, maybe an insane teacher who wants to conserve the lanscape of the new island or something.

I would love to see some cameos or appearances from some past characters in other games. That's something I feel we rarely see in Pokémon games.

Obligatory Battle Facility leader (maybe Dana because she seems the most left-field) who gets amnesia and is somehow transported into Paldea/Kitakami.

The professors. I press X to doubt that they were actually killed off, or that maybe the A.I. version(s) use the machine to save the professor from their death and that causes the DLC paradox to occur.

Return of some old characters, perhaps aged up a little (like with Red and Blue in Alola) would be really neat for me. Also Looker and Anabel even though it probably won't happen. For types of characters rather than existing characters, someone antagonistic and a little too crazy into their goals would be interesting. With the crazy facial expressions and everything!!

I would love for the DLC to get to the bottom of why Ms. Raifort, the history teacher, is so weird and creepy.

Someone related to Nemona and possibly Arven (Though, from what I have heard, he kinda has his story set), haven't played very far, but have had the game since a few days after release. Though, I think it'll be copium to hope for an insight into Nemona's backstory as I had the same hopes for Hau's father and Bede's backstory and got nothing. Fan of both Nemona and Arven, so I would like to see more into their stories.