>>31716441Those would make sense since they're some pf the most popular mons, but it doesn't make much sense in-universe.
>Johto: Pikachu (Johto is very close to Kanto) Pichu (Baby Pokemon and again, close to Kanto)
Bellsprout (Sprout tower is probably popular with tourists)
Shiny Gyarados (Johto is home to the famous Red Gyarados)
>Hoenn: The starters (They all seem to be pretty popular) Ludicolo (It looks like a mascot, and it fits Hoenn)
>Sinnoh: Shellos/Gastrodon (It has a unique mechanic only seen in Sinnoh, which would make it quite popular), Croagunk (Confirmed to be popular in Sinnoh, also confirmed to be fequently used as a mascot)>Unova (I don't know that many, I didn't play BW/B2W2 and Bulbapedo isn't helping): Munna/Musharna (dreeeaaaams) >Kalos: I don't know, all the focus was on genwun.