Singer Roy Kim mentioned celebrities who share his nickname and age. On the December 19th episode of the MBN variety show "Jeon Hyun-moo Project 3," Roy Kim appeared as a guest. During the broadcast, Roy Kim asked Jeon Hyun-moo, "Do I look good with long hair?" Jeon Hyun-moo replied, "You're a disaster. The worst. Your image is best with short hair." When Roy Kim asked why, Jeon Hyun-moo explained, "Because you have the image of a model student from the Ivy League." Roy Kim responded, "That image has been gone for a long time," adding, "My nickname is 'Mr. Ro.' I've had it since my debut. I've also been called 'Nanningoo uncle.'"

During the show, Kwak Tube asked, "Aren't you the same age as IU?" Roy Kim answered, "I'm the same age as Park Bo-gum, IU, and SHINee's Taemin. I don't have an old-looking face." Roy Kim was born in 1993 and is currently 33 years old. Among fans, he is known by the nickname "Mr. Ro" and is recognized for having mature tastes. Kwak Tube commented, "It's amazing. You're handsome, but your vibe makes you look older." Jeon Hyun-moo added with a laugh, "Having an old-looking face can be fixed quickly, but vibe? No matter what, you can't fix that."

Roy Kim emphasized the change from his past perfect son-in-law image to his current nicknames "Mr. Ro" and "Nanningoo uncle." On the show, Jeon Hyun-moo expressed surprise, saying, "I can't believe you're the same age as IU." Roy Kim reiterated, "I'm the same age as Park Bo-gum, Lee Ji-eun (IU), and SHINee's Taemin." Jeon Hyun-moo looked at Roy Kim with sympathy, saying, "What can I do?"

The discussion about Roy Kim's mature image and actual age continued. He confidently denied having an old-looking face, saying, "I don't have an old face." Kwak Tube responded, "It's really amazing that your vibe is like an uncle." Jeon Hyun-moo kept teasing Roy Kim, saying, "You know, having an old face can be fixed quickly, but vibe? No matter what, you can't fix that."

This episode attracted interest with Roy Kim's mature image and the various reactions to it. Roy Kim joined Jeon Hyun-moo, who was visiting Sejong City to find recommended restaurants for office workers, and they also talked about work life. Roy Kim humbly said, "I think I only know about it when I go to reserve forces training," which surprised Jeon Hyun-moo, who revealed, "I'm in my last fourth year of reserve forces," adding to the surprise.

On the show, Roy Kim spoke honestly about his nickname and celebrities who share his age, reexamining the image he has built and the perception among fans. The episode provided viewers with enjoyment through Roy Kim's various sides and the cheerful reactions of Jeon Hyun-moo and Kwak Tube.