- In April 1934, people erected a bronze statue of Hachiko in front of Shibuya Station in Tokyo. Hachiko "Hondog" also attended the unveiling ceremony of the bronze statue. From then on, the entrance of the station near the bronze statue was called "Hachiko Entrance".
- In World War II, due to the shortage of metal resources, the bronze statue of Hachiko was melted. The bronze statue built on the original site was rebuilt in August 1947.
- In March 1935, Hachiko died of heart filariasis when he was 11 years old. After its death, the body was made into specimens and kept in the National Science Museum.
- There is a similar bronze statue in front of Odate City Station, where he was born. There is also a new statue of Hachiko, a faithful dog that is 88.8 cm tall and weighs 88.8 kg in front of Fuji TV.
- The real Xiaohachi was born in Odate City, Japan in 1923. His owner was a professor at Tokyo Imperial University Eisaburo Ueno. After his death in May 1925, Xiaohachi returned to Shibuya Station and waited there for nine years.
Hachi: A Dog's Tale behind the scenes gags
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Andy Wilson: Hey. You know we love you, Hachi. We want you to stay here with us. If you have to go... that's okay too. Good-bye, Hachi.
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Ken: [Talking in Japanese] It's been a year, hasn't it? I wake up sometimes in the middle of the night and think about Parker. He was a good friend. I understand how you feel. Hachi, my friend, Parker is never coming home. But if Hachiko wants to wait, then Hachiko should wait. You want to wait for him, don't you? Have a long life, Hachi.