On Sonic fandoms and personality disorders: I heard a theory at
one point that autists have trouble with expressions and faces
etc., and the Sonic characters have these huge eyes and mouths
and ears that help make their emotions very obvious. It's easy
to see how someone could latch onto that.  I think that’s part
of the appeal of cartoon characters in general. Felix the cat,
Mickey Mouse, etc. Well designed cartoons are often built around
their ability to express strongly in all aspects, both in facial
and body movement.   Sonic is designed to be appealing to
children, despite how large of an adult fanbase the franchise
has. It’s bright and colourful, usually expressive, and it’s
meant to be fun. However just because something is aimed at
children doesn’t mean children will be the only fans of a
franchise- especially when you consider how long Sonic has been
around. A lot of people have grown up with Sonic, and the
franchise has become part of the experience of their life.
Consider other franchises meant fo