>>40424042No, they call it Slowbro/Slowking. In lore, if a Slowbro or Slowking loses Shellder, they revert back to a Slowpoke. Meaning that Slowbro/Slowking is the name of the combined form. Individually, they're still Slowpoke and Shellder. Mega Slowbro's dex entries are an example of this.
>All the energy from Mega Evolution poured into the Shellder on its tail, leaving Slowpoke to be swallowed whole. >When bathed in the energy of Mega Evolution, Shellder converts into impregnable armor. There is virtually no change in Slowpoke. >Tremendous energy strengthened the power of the Shellder on its tail, but it doesn't really affect Slowpoke.