Taehyun considers SHINee's Taemin and BTS Jungkook as his role models.
Taehyun is good at swimming and boxing.
Taehyun used to make educational videos teaching kids how to speak English when he was younger. He and his sister can both speak English.
Taehyun has a cat named Hobak and a mini-sized snake named Aengdu (Cherry in English).
Taehyun speaks a little Japanese.
Taehyun once wanted to be a Magician.
According to Taehyun, he is the right-hand man of Soobin.
Taehyun dreamed of becoming a performer after seeing SHINee Taemin's dance break in the song "Replay."