The Walrus and the Carpenter are the eponymous characters in the poem, which is recited by Tweedledum and Tweedledee to Alice. Walking upon a beach one night when both sun and moon are visible, the Walrus and Carpenter come upon an offshore bed of oysters, four of whom they invite to join them. To the disapproval of the eldest oyster, many more follow them. After walking along the beach (a point is made of the fact that the oysters are all neatly shod despite having no feet), the two main characters are revealed to be predatory and eat all of the oysters. After hearing the poem, the good-natured Alice attempts to determine which of the two leading characters might be the more sympathetic, but is thwarted by the twins' further interpretation: