Vivien and Merlin Repose by: Gustave DorĂ© (Artist) from: Vivien -  1867 This picture illustrates the lines from Tennyson's "Vivien" idyll, later renamed "Merlin and Vivien": Before an oak, so hollow, huge and old It looked a tower of ivied masonwork, At Merlin's feet the wily Vivien lay.