yes he was separated from naruto as a kid but he doesn't recognize naruto
Naruto doesn't have an older brother he's an only child.
dont listen to her he makes his first appearench after narutos ans sasukes fight at the vally of end Edit: Naruto Episode #134 Manga Chapter #234 Heres more info: http://naruto.wikia.com/wiki/Zetsu
is kakashi narutos stepbrother
Zetsu has not died yet.
Zetsu is still alive, for now.
Zetsu is a cannibal he eats humans.
Zetsu was created from Hashirama Senju's cell.
Sasuke killed Zetsu, It's highly debated that Zetsu was pulling off a Bunshin however.
naruto is way stronger zetsu can't fight
Zetsu likes pie,but only human flavor.
There is no official information available about Zetsu's birthday.
Yes, Zetsu is a medical ninja but you don't see him do it though.