Well.. this is awkward.
My first capture in DPPt was a Bidoof I named "lucky". Oh the irony.
My first capture in HG/SS was a Sentret. I purposely caught it just because back when I used to play GSC, my first capture was a Sentret, and I was so apalled by the new pokemon of that Gen.
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"The entire world will be infected. A new Genesis is at hand and I will be the creator!"