A Mankey would just be the best, espescially if it started to sniff around 'Mankey-boy".
I may catch a couple of things quite early because I don't plan for my characterless Totodile too evolve. But at the moment he's happy attacking my bag. Whatever I catch will more than likely be a Pokemon that can learn lots of attacks from all different types. (i.e how Nidoran can learn Thunderbolt via TM etc.)
How will TMs work? There should be a move tutor in each new town that teaches any one of your Pokemon one of three moves XD (Somewhere along the line, probably Vermillion/Cerulean could be a Thunderbolt, Flamethrower Icebeam) [/rantaboutnothing]
Either way, as long as Totodile gets to learn Iron tail, I'm happy. Also I may get a Mewoth, I love Meowths as long as they WALK ON FOUR LEGS! Ever since the anime, every art and game sprite has depiced it as a bipedal (two legged) Pokemon and I'm sick of it ;_;
Edit: My first Pokemon will be a Skitty ^_^ It can learn things like Thunder,bolt, Ice Beam etc. It's cute too <3 (And it must learn Double Team >D)