Abigail & Brittany Hensel - The Twins Who Share a Body
Doon Kanda - Polycephaly (**epilepsy warning**)
10 two-headed animals that will freak you out: shark, pig, cat, snake
Two Headed Freak Animals! SnakeBytesTV - Ep. 406 : AnimalBytesTV
FTL Hard mode, WITH pause, Viewer Ships! The Polycephaly!
Polycephaly is the condition of having more than one head. The term is derived from the Greek stems poly meaning "many" and kephalē meaning "head". A polycephalic organism may be thought of as one being with a supernumerary body part, or as two or more beings with a shared body.