A space dragon comes from space. Usually intelligent or feral, their only goal is to take over the planet and mix with it's population. The indie book series The Society On Da Run introduced the space dragon empire Draconizica.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)