Homunculus

n.

1.

A little man; a dwarf; a manikin.

Noun	1.	homunculus - a person who is very small but who is not otherwise deformed or abnormal Synonyms: manikin, mannikin
	2.	homunculus - a tiny fully formed individual that (according to the discredited theory of preformation) is supposed to be present in the sperm cell

manikin, mannikin, small person