Kanto:Poliwag(my mascot)
Johto:Swinub(chikorita probably won't and Wooper, marill already in(
Hoenn:Aggron(Cool, big powerful)
Sinnoh:Budew(my fav baby)
Unova:Sewaddle(Ash's leavanby contributed)
Kalos:Inkay(Squeaky. Also Goomy is already in)
Alola:Golisopod(First Impression without it's original wielder is weird)
Galar:Orbeetle(UFO bug)