well, the ending of Leto the Second(son of Paul) is the 100% same as Leluoch. I don't have original of Dune, but it's like "The emperor died, following the example of Leto Second, the God-Emperor of the Universe, Tirant, called worm, which led men to the Golden Trope and saved humanity, printed in the history of worst tyrant teaching people the final lesson." (c) niemda