Trainer Type: Psychic (or Channeler)
What Gender: Male
Trainer Name: Nyrgle
Where to put: Pokemon Tower (preferred location)
Pokemon on team: Kadabra, Haunter
It's been a long time since I've played the game, so I don't know what sort of level to set them at. Sorry about that.
An alternative team would be Drowzee and Gastly. (yeah, Drowzee seems weak, but I loved using him/her on the original Gameboy Red version)