Odysseus's faithful dog, Argos, was the first to recognize him through his rags.
Later on, the old nurse Eurycleia recognizes Odysseus while washing his feet, due to a scar he received as a child while on a boar hunt.
Argos
Eurycleia recognizes Odysseus purely by his scar.Eumaeus and Philoetius recognize Odysseus by his scar after Odysseus reveals who he is. Laertes, Odysseus' father, also recognizes Odysseus by his scar after Odysseus reveals his identity.
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Odysseus returns to Ithaca in disguise as part of his own plan to test the loyalties of the men and women of Ithaca.
Odysseus dressed up as an old beggar when he returned to Ithica.
Euryclaeia is Odysseus's maid who first recognizes him after he returns home from Troy. She sees through his beggar disguise by noticing a scar he received while hunting a boar with his grandfather
Argos
Euryclaeia is Odysseus's maid who first recognizes him after he returns home from Troy. She sees through his beggar disguise by noticing a scar he received while hunting a boar with his grandfather
Eurycleia recognizes Odysseus purely by his scar.Eumaeus and Philoetius recognize Odysseus by his scar after Odysseus reveals who he is. Laertes, Odysseus' father, also recognizes Odysseus by his scar after Odysseus reveals his identity.
Ulysses is recognized by his dog, Argos, when he returns home in disguise after being away for 20 years. Argos is the only one who recognizes him and he wags his tail before passing away.
Odysseus is greated by a shepherd, which turns out to be Athena in disguise.
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Odysseus returns to Ithaca in disguise as part of his own plan to test the loyalties of the men and women of Ithaca.
Odysseus dressed up as an old beggar when he returned to Ithica.
Euryclea recognizes Odysseus when she is washing his feet. The nurse recognizes Odysseus by a unique old hunting scar that he got from a boar hunt when he was a child.
How does Argos knows that his master Odysseus has returned? He recognizes Odysseus's face. He recognizes Odysseus's voice. He picks up the scent of his master. He doesn't; he dies just as Odysseus appears.
So he can make it home, safely.