Reference in Pink Floyd's "Have a Cigar" to the early days when they first started out; supposedly a record exec. asked them "Which one of you is Pink?"--and of course none of the members are named Pink.

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)