Hmmmm....how about:
Pokelegends.com (probably exists)
Maybe take a Pokemon name (ex: Espeon's) and add something like Den, Corner, cave, mall, cardborad box, etc. You would end up with something like Espeon's Den, Serebii's hideout, Plusle's Corner, etc. Then you would have the mascot down, and you could make a skin to represent the Pokemon's colors. Ex: Espeon's Den would have a Black background with purple textboxes and such.