Shellder, as one of the original 150 and, believe it or not, one half of Slowbro/Slowking, has a unique place in the franchise. Its evolution, Cloyster, is not unheard of in Go Battle League - the ...

Meawhile, Mega Slowking seems like a fitting advancement of the actual Mega Slowbro in the games, with Mega Slowking's entire upper body engulfed by Shellder, whereas Mega Slowbro only has its ...