Yeontan, also known as Tannie, is BTS V's adopted dog. V adopted the cute dog despite knowing yeontan has a health condition.

V, who is known for being a considerate animal lover, has visited a specialist before adopting Yeontan to know how to be the perfect pet father.

Fans celebrated Yeontan's 4th Birthday by trending multiple hashtags and keywords to shower Tannie with love. 

The love of Taehyung for his Yeontan inspired fans to do many charity projects and donations to help other animals.

BTS V chose to adopt Yeontan despite knowing that he's sick, presented him to the world as his source of happiness and healing, and just like his dad, Tannie became a celebrity loved by millions of people.