Halloween is coming!!!!!!!

The title is : "trick or treat at a hunted house "
Subject:
Is Halloween night and ur fav pokemon and his or her friends go to do "trick or treat" on the houses of PokemonCity.
Choose max other 5 pokemon after ur fav pokemon, disguise their for Halloween and image a situation where they could be (yeah, you can image the "treat" situation ).
PokemonCity: you can choose
- Saffron City or Celadon City(from Kanto)
- Cherrygrove City or Olivine City (from Johto)
- Canalave City or Snowpoint City (from Sinnoh)
- Pokemon Village (from Pokemon Mistery Doungeon Blue/Red or explorators of the Dark/Time/Sky)

Now, GOT TO WORK! You have time until 31th October