Their shapes look like hieroglyphs on ancient tab lets. It is said that the two are somehow related.
Base Exp. 0
Height 0.5m
Weight 5kg
#201 - Unown
Psychic
Stats
HP 48 / 255
Attack 72 / 181
Defense 48 / 230
Sp. Atk. 72 / 173
Sp. Def. 48 / 230
Speed 48 / 200