A trainer who is aiming to be the ultimate pokemon trainer by overcoming the type disadvantage. Puts himself and his pokemon through extensive training so that they're able to overcome type weakness. Despite this, he takes extra care of his pokemon, and is studing to become a Pokemon doctor. 

I'm looking for a passionate lower-pitch type of voice, but don't let the pitch deter you, I wouldn't mind something higher pitched, so long as it fits the character.