Talk about bringing back some good memories =]
Ahhh, Blue version on my birthday as a young little spunk. :P oh gosh at least a good ten+ years ago, wow.
Even though today Im a water fan, I selected Charmander....didnt name the little guy though I always referred to him as sal-furt, yes i said sal-furt :P odd name, great times...
though when it comes to the first cuaght I believe it was...one of the nidos...so far back i cant remember.
as for other versions:
Mudkip
Piplup
and Chikorita :D