Multiple Personality Character

[residentpsycho19]

I am trying to work on a character with multiple personalities and i need some suggestions. I have a mute little girl and a crazed killer so far. I need two more!!! Please help me

[Jim Warfield]

When you slide seamlessly between them but do it with a definately noticable change after a slight pause. Famous cases of multiple personalitys have been the subject of a few movies if you could dheck them out for inspiration.
"Three Faces Of Eve"? might be one title from the 1950's?
Arguing with yourself might be a method of expressing what you want to show them.
Glue a mask to some easily hidden portion of your body that is normally hidden, then pull up a shirt or whereever, whatever it looks like, good enough to fool someone in the dark it's obviously a mask?
If it looks just like a mask, this is good enough too because a psycho is trying to scare people who know no one but a psycho would ever dress like that.

[Wellinton]

When I was a teen and worked at a restaurant, I worked with girl who lasted on the job one day. She may have had this condition. I never forgot when she saw herself in a mirror her other personality came out. She was angry at the mirror and speaking with her teeth clenched " What are you doing here? I told you not to come to my work"
It was tragic at the time, but now 30 years later... she was quite a character

[Duke of Darkness]

A few thoughts. First of, depending on the context and length of time you have in front of your audience, four personalities may be difficult to convey well. I also wonder if a mute little girl will come across well in a short period of time. That said I think you are on the right track. I would consider making one character 'normal', then switching between one that is scared and timid (your little girl character) and one which is psychotic and very aggressive. I think doing much more in a short period of time would be very difficult.

[Jim Warfield]

Often do not appear from a brain tumor or something physical. Many times it is that person's way of expressing themselves or dealing with being abused as a child.
They become "someone else" for escape or of a way to assume some little more "power" or to seem more powerfull.
Years ago a long documentary interveiwed several people that shifted personalities very distinctly and that was their personal history.

[residentpsycho19]

Jim Warfield , I am not sure what you mean by glueing a mask? Please elaborate!