that can be seen, smelled, touched think for itself, and even remind you of something from your memory that you may have forgotten.
A tulpa is a consciousness that is very much like your own, in that has its own opinions, preferences, personality and so on. It can communicate with you, can have its own form, and can understand you like no one else could. It can give you second opinions on things and come up with original ideas of its own. A tulpa lives inside your brain, very much like you do.