Shauntal... Her outfit just awesome... it's the same palette, almost, as a Purrloin... She has ghost-type Pokemon... I read; she's a writer, for crying out loud! A few sentences that were said made an interesting story... I wanted to actually read her novels... but since it's a game, I can't. T_T Aw, jeez...
1. Caitlin, mostly because of her back story and appearence in the battle castle.
2. Marshal, I like fighting types and his design comes out furious and cool in my opinion.
3. Grimsley, I just like his design better than Shauntels.
4. Shauntel, definitely not keen on her design though I do love ghost types.
I'd have to go with Grimsley. I always chose him to fight last. Marshall is by far my least favorite trainer associated with Fighting (I mean-compared with Brawly or Bruno or Chuck etc. he's awful).
I don't like Shauntal's design and don't like most Ghost types. Caitlyn is alright but kinda *****y.