You can definitely get this done easily. http://www.makeuseof.com/tag/7-ways-to-make-a-google-map-using-google-spreadsheet-data/
If this is something that's over your head, just Share the Google Doc and I'm sure someone will do it.
You could set something up with IFTTT that could notify you every time a tweet comes in from that account with the Pokemon you want. Haven't tested this recipe, but something like this https://ifttt.com/applets/339965p-send-text-if-tweet-by-specific-user-with-specific-word-s