Well for me it goes to a Juve icon who's under 30:
Buffon
Zambrotta
Ibrahimovic
Camoranesi
Trezeguet
Okay we can remove Zlatan immidietly. ;) Trezeguet we aint sure of how long he'll stay and Camoranesi doesn't seem like a leader to me. So my choice goes between:
Buffon
Zambrotta...