On September 1, Haha posted a photo on his Twitter, exclaiming, "Today marks 16 years since Jong Kook Hyung's debut! Jong Kook Hyung! A big big congratulations to you!" In the picture, Haha is dressed as a pirate and show his fondness with Kim Jong Kook while holding up a victory sign. To his fans' delight, Haha humorously added, "Kee ah ah ah ah also today at 12 the track with Skull will be revealed! I'm shy and on the 14 I'm going to reveal my mini album! Thank you!!" Netizens commented, "'Black cat Nero' It seems like just yesterday, it's already been 16 years!", "Kim Gong Kook Shi Congratulations~", "Colleagues have no choice but to love Haha!", and, "The two of them are so cute". Source + Image: Nate & Twitter