I'm turn between Lapras (because she needs both a water and an ice type, and because the pokedex entry is fit to give all the ponies a big case of the sads), Duskull (because she also needs a ghost, and the idea of one of Twi's pokemon going around scaring children is kind of morbidly hilarious), and Golett (because holy crap flying mecha-ghost!) for Twi, honestly. Any suggestions that might tip the scales one way or another would be appreciated!