In flashback in House of the Rising Sun (and additionally later in ...In Translation, from the other viewpoint), Jin presents Sun with a dog, Popo.
- Popo means "a kiss" in Korean
- He was a gift to Jin from Byung Han, The Secretary for Environmental Safety, for not beating him on Jin's first visit to his home.
- According to Han the dog is "a championship breed" and "incredibly valuable".
- Also seen in The Whole Truth at the street by the canal near where Sun is confronted by her doctor. (Lost-Media)