Possible Clues:

• King of Ithaca, who returned after the siege of Troy
• Post-Trojan War wanderer
• Person traveling from 2 Down
• Greek hero of an epic journey home from Troy
• Greek hero, anybody's other half's curious uses
• Epic hero takes action against small party upset about end of tyranny
• Homer's wandering hero
• Organised Trojan stuff Joyce wrote about when not in Rome
• Trojan War figure
• Old island-hopper uses elastic after trunk's losing lid