It's January 17 in Korea and Super Junior's Kangin is celebrating his birthday with a special surprise from his fans all over the world as the hashtag '#HappyKaginDay' is trending worldwide! 

As the idol is now 30 years old (31 in Korea), fans have gathered heaps of pictures of the idol and flooded them on Twitter. You can check out some tweets that fans have sent out to their beloved idol below. 

Meanwhile, you can check out more of Kangin's romantic side in his latest movie release, 'Cat Funeral.'

Happy birthday Kangin!

Fruit shop owner #HappyKanginDay pic.twitter.com/13PDVeQFPD

— SM TOWN (@ItsSMTOWN) January 16, 2015

The most ideal man ❤️ #HappyKanginDay pic.twitter.com/BeiUyiL76B

— K of outer space (@SHINeeDGNA) January 16, 2015

DAMN CUTE #HappyKanginDay pic.twitter.com/gcHrqjochw

— 령 (@ryeongbb) January 16, 2015

#HappyKanginDay such a good appa ...... breaking eunhae's