However, Kane claimed that Tiberium was discovered by the Brotherhood of Nod, and that he personally named it after the Roman Emperor Tiberius. The first Tiberium deposit near Tiber river, ItalyĪccording to GDI, Tiberium was named after the Tiber river, the site of the meteor impact that first brought the alien substance to Earth. Kane commenting on a EVA briefing about Tiberium ( src) And I named it after Tiberius Drusus Caesar. Kane: 'Discovered by the Brotherhood, that is. EVA: 'Tiberium is named after the Tiber river in Italy where it was first discovered.'