Board Thread:Questions and Answers/@comment-120883-20141128204017/@comment-4759352-20150626005132

PsychoShark wrote:

TheScareCr0we wrote: They need to have an official name tho. Sonic's Worldians just sounds stupid, Mobians would technically only be cannon in the western Sonic adaptations, and South Islanders very much only works within the cannon of the fanfilm (as the games have established that central city and station square are located on south island, where as the fanfilm established that South Island is only inhabited by animals and anthropomorphic animals.) http://i536.photobucket.com/albums/ff327/Kentilan/sonicstuff/SonicAdventure2_map.png

Ya' sure about that? Green Hill Zone seems awfully far away from any sort of civilization. Yeah, I was reffering to Chronicles <.<

but as the guy above pointed out, it seems like they retconned it quite a bit a few times.