Quoted By:
People keep doing these, so I'll put this up one more time.
Any Female Trainer as a Monster Girl version of one of their pokemon.
These have been done already, but repeats are fine:
Clair/Kingdra
Malva/Talonflame
Jasmine/Steelix
Erika/Victreebel
Roxie/Scolipede
Phoebe/Dusclops
Elesa/Zebstrika
Caitlin/Reuniclus