Supposedly this is for what certain pokemon are based on.
I'll start.
Victini: Gods/Angels, V/Victory (Duh), Atom Bomb?
Koffing, Grimer, and Trubish lines: Forms of pollution.
You can call me Pollyanna, say I'm crazy as a loon, I believe in silver linings, and that's why I believe in you!
Here are some I know:
Arbok=Cobra...(Kobra is Arbokbackwards)
Wingull=Seagull
Piplup=Penguin
Squirtle/Wartotle/Blastoise=Turtle
Teddiursa=Brown or Grizzly Bear cub
Arcanine=Dog
Seel=Seal
Crobat=bat
Starmie=Starfish
Raticate=Rat
Horsea=Seahorse
Persia=Some type of egyptian cat
Spearow=Sparrow