Hmmmmmmm. My dream pokémon self would probably be Fire/Flying. Because I'd love to be able to fly, I sometimes dream that I do actually :p And to have Fire powers would be awesome. Fire can't hurt you, you can keep warm and fire is beautiful. And with wind/flame powers, I would probably want to be able to create illusions with light and smoke.
And I'd want fur. Lots of fur, like a pearly white Flareon perhaps. Come to think of it, I'd probably want to look like a bipedal, angel winged eeveelution. With a long, lion-like tail. My eyes would probably be fiery orange normally, but change from yellow to red depending on my mood. I'd have a little beard because it's cute, and a tiny horn on my forehead because it's fun. And my ears would hang down like some rabbits' ears do.
Completely thinking this up on the spot now, haha. But yeah, something like that. Flash, Smog, Gust, Flamethrower and stuff would be what I'd use. Maybe some attack called Fireworks too, unless that exists already? And Aerial Ace and Will-o-wisp.
For a "real" pokémon self, I actually don't know haha. Maybe since I'm a chemist, I should be water type? Or poison :p Or psychic or steel. Steel/poison, now that would be interesting.