Eutychianos 4, probably also known as Hamazaspes (Ἁμαζάσπης) was a protoasekretis (πρῶτος τῶν βασιλικῶν ὑπογραφέων); he was a loyal follower of the emperor Leo V and knew of his hostility to the veneration of icons before it was made public; he supported the resumption of the persecution of iconophiles by Leo in 814 and in 815 is said to have received from the patriarch Nikephoros 2 a warning that if he did not abandon his iconoclast errors he would die a miserable death at the hands of the authorities; he ignored the warning and later met a painful death: Ignatius, Vita Niceph., pp. 189, line 30-190, line 11, cf. 208, line 17 (probably identical with the Hamazaspes named here).

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