From now on till november you can loot pumpkin tokens, which you can exchange with npc Buffy for: outfits, house decorations, bags and lockers.
following pokemons drop pumpkin tokens:
gastly, bulbasaur, pumkaboo, litwick, shuppet, duskull, poochyena, purrloin, murkrow, pawniard, seedot, cacnea, stunky, ivysaur, oddish, gloom (max 1)
mightyena, absol, liepard, zorua, sneasel, deino, zweilous, cacturne, skuntank
nuzleaf, liepard, haunter, lampent, banette, dusclops, misdreavus, vileplume (max 2)
venusaur, gengar (smaller chance than others), sableye, spiritomb, chandelure, gourgeist, shiftry, gliscor, honchkrow, tyranitar, bisharp, drifblim, mismagius, dusknoir, cofagrigus (max 3)
gastly, bulbasaur, pumkaboo, litwick, shuppet, duskull, poochyena, purrloin, murkrow, pawniard, seedot, cacnea, stunky, ivysaur, oddish, gloom (max 1)
mightyena, absol, liepard, zorua, sneasel, deino, zweilous, cacturne, skuntank
nuzleaf, liepard, haunter, lampent, banette, dusclops, misdreavus, vileplume (max 2)
venusaur, gengar (smaller chance than others), sableye, spiritomb, chandelure, gourgeist, shiftry, gliscor, honchkrow, tyranitar, bisharp, drifblim, mismagius, dusknoir, cofagrigus (max 3)