Tulpa

Pad of Definitions A physical materialization of a thought, resulting in the creation of a being or object. – Pad of Definitions (1.17 Hell House), Official Website

Tulpa's, also known as Thoughtform's are frequently used in Ceremonial or [Chaos Magick].

Interestingly, Mordecai appeared to fit standard Chaos Magick practice for accidental creation of a 'Servitor' from a Sigil, and appeared to be working it's way up to an 'Egregore'. See:

• http://www.chaosmatrix.org/library/chaos/texts/fen-egre.html
• http://www.chaoscurrent.com/technique/servitors.html

See also

• Thought Forms/Psychic Projections