A ninja who has a twin, who also happens to be a ninja. It is a portmanteau of "twin ninjas".
Kyo and Kai are the most deadly twinjas anyone has ever encountered.
A surgical procedure in which an infant is removed from the mother's womb by cutting through her breasts. It is a very rare occurance... 1 out of 7 billion+.
Swani is the first and only baby to be born by a breastasarian procedure.
