If you have ever played "Eenie, Meenie, Miney, Moe. Catch a tiger by the toe," then you know that you move your finger on to the next person after each syllable. Well, I was in a group with 13 other people, and every time I did it I ended up pointing at myself.
These people came into my group from around the globe, and all have something in common. I have listed them below in order of latitude, though this may (or may not) be the order in which they entered the group:

Good luck!
You can check your answers for this puzzle on Geochecker.com.