>>14246986Ghost and poison types in general. Which is a shame, because I love them.
But seriously, imagine if your best pals were life-stealing phantoms and sentient fermenting waste. There's no way your roommates would tolerate it.
Ever smell a dumpster full of trash bags that have been rotting in their own juices in the sun? There ya go, you have what Garbodor probably smells like, and by extension, your room. And the entire Gastly line stalks and pranks/murders people, so try explaining to your pals that your spectre of the night is just having fun by laying curses on them.
Oh, and in real life, Trubbish would probably have a dirty heroin needle somewhere in there waiting to prick you.