A friend of Tzetzes wrote a fine epitaph for Ioannes II, but it was claimed by another man as his own. And the plagiarist did not stop there: he tried to appropriate the Lykophron commentary of Tzetzes himself, a work whose author was known to everybody. The lie was pointed out by Mesarites, but the plagiarist's response was to attack him violently. Tzetzes now intervened with a letter to point out the truth and excoriate the guilty man