sentences:  However, as he demonstrates the differences to Ivanova, she (and the audience) are unable to detect any difference between one and the others, though it may simply be due to humans lacking the aural sensitivity to detect the subtle differences in the inflections.The first Zathras travelled 1,000 years into the past on Babylon 4 with Jeffrey Sinclair, who (during the trip) transformed into the Minbari religious figure Valen in order to help the Minbari defeat the Shadows.The fate of the first Zathras is not fully known following the Minbari's acceptance of Sinclair as Valen, but Zathras does appear in the comic "In Valen's Name" and appears to act as Valen's assistant.