Originally Posted by Fat Blue Ditto
In response to the first post of this topic, all the Eeveelutions so far are what we would have known as "special" types in Advance, so Glaceon is probably with Leafeon to help complete it. Yes, it would have made much more sense if they stuck in a dragon-type eeveelution to complete it, but either Gamefreak thought there were too many dragons or Eevee's not strong enough to evolve into an uber dragon...eh, they might stick it in next time around. =P
It's hard for me to say which ones should go fling themselves into a lava pit since I usually only ignore the more forgettable species, but...the Burmy line is an exception. Wurmple line can go with them too.
Eevee evolves to suit it's environment, so i'd assume:
Flareon: Deserts and other hot places, like near volcanoes
Jolteon: High areas that attract lightning, cities
Espeon: Most likely cities
Umbreon: Perpetually dark places
Glaceon: Cold, snowy regions
I fail to see what habitat dragons are best suited for living in.