A side note but I'm looking at Gimmighoul and Gholdengo a lot right now and the more I look at them, would I be wrong if I say that Gimmighoul and Gholdengo remind me a lot of Larvesta and Volcarona in a sense?
This thing in the regional dex and presumably National Dex is right before the legendaries in the dex order and right after the pseudo-legendary, which was a similar case with Volcarona in terms of the Gen 5 roster. Both of these families are two-stage families. Gholdengo also has a very high BST of 550, which is the same as Volcarona's.
And even though the manner of which they are presented in their respective debut games is very different Gimmighoul and Gholdengo definitely feel "stand-out" and "special" amongst the new Paldea mons in SV, in a vein to how Larvesta and Volcarona were presented as very "special" amongst Unova's roster in Gen 5. Gimmighoul in Paldea isn't a generic Pokemon you can find in the wild, and it's presented as a particularly special mon that is associated with collectibles and has a very unconventional evo method. This is different from Larvesta, but Larvesta in Unova was unique because you could only get one via an Egg, and one other evolved specimen of Volcarona could be encountered like a Legendary. It has a more conventional evo method but it has a very high effort level of investment needed to evolve Larvesta.
These guys also feel very "integrated" into the lore of Paldea like Volcarona was. Gimmighoul from the trailer tease had a lot of lore going on, and Gholdengo seems to have plenty going for it in terms of being a special, elusive mon in Paldea. Volcarona was very elusive and rare in Unova and practically treated as an ancient deity.
In many ways Gholdengo feels similar, yet different, from Volcarona, but it really does feel like a repeat of what they were trying to do with Volcarona back in BW.
Just a few thoughts.