Ghost

You know, after an earlier post, it made me think... Shiny Espeon is literally just Kakyoin. Plus it learns Power Gem, so it's basically Emerald Splash

You know I had to do some research. I'd suppose you may already know, but evidently, the redhead is Don, and she's a total Poison nut like moi. The blonde is Marty, and explosions are her thing. Perhaps the two are a pair, meant to be a play on words. "Martyrdom". But you already know Don has got special place reserved.