 Furthermore, Homer's poem includes violent storms and a shipwreck, giants and monsters, gods and goddesses, a totally different world from Joyce's.Leopold Bloom, "a Jewish advertisement canvasser", corresponds to Odysseus in Homer's epic; Stephen Dedalus, the hero also of Joyce's earlier, largely autobiographical "A Portrait of the Artist as a Young Man", corresponds to Odysseus's son Telemachus; and Bloom's wife Molly corresponds to Penelope, Odysseus's wife, who waited 20 years for him to return.It is 8 a.m. Buck Mulligan, a boisterous medical student, calls Stephen Dedalus (a young writer encountered as the principal subject of "A Portrait of the Artist as a Young Man") up to the roof of the Sandycove Martello tower, where they both live.