Shiny Piplup (or Evolutions)

Weird request but I'm after a piplup or above with the name King.

I want to have it on brilliant diamond but there's no game where you can rename a traded piplup as it doesn't transfer to shield or scarlet.

If anyone has one and is willing to trade I'll trade pretty much anything for it. I don't know how trading 1to1 work on home though I've never used it. Thanks