[GuiA]

You're essentially creating what some people have taken to referring as "tulpas".

http://www.meltingasphalt.com/neurons-gone-wild/

[kaybe]

People in the corresponding reddit group claim they can see their tulpas and they have their own personality and will. It's a strange and fascinating place, that group.

[vinceguidry]

I made one accidentally once. I detailed my experience here:

https://news.ycombinator.com/item?id=9142246

Feel free to ask me about it.