This article is from the Dissociation FAQ, by Discord (firstname.lastname@example.org) with numerous contributions by others.
Despite the lack of belief many people have for this, there are a large
number of multiples who have what seem to be alters that did not originate
via a split or creation by the multiple system, but rather came in from the
It seems that, when one or more of the alters need help that the
system itself cannot provide, sometimes an outside source (a ghost,
a spirit, a "mythical" beast) shows up, moves in, unpacks, and says
"Where can I start?
You don't have to believe it. But think of it as a kind of guardian
spirit, only this one lives inside the mind. (And try not to let your
skepticism get in the way.)