Former MBLAQ member and actor Lee Joon is suddenly one of the hottest names right now — and it’s not because of a drama comeback or a blockbuster casting. The shocking spark? A short dance clip. As part of filming for the web variety show Walkman last month, Lee tried his hand as a baseball cheerleader at Seoul’s Jamsil Baseball Stadium, taking the first‑base podium and performing Choi Yena’s ‘Catch Catch’. The clip ripped through social media and short‑form platforms, unleashing unexpected viral power. Soon after, KBS2’s 2 Days & 1 Night, where Lee is a regular, highlighted how his challenge video was blowing up online — and the show started treating him like the “short‑form president.”
Why Lee Joon, of all people? First, his “so sincere it’s even funnier” persona. On 2 Days & 1 Night, Lee said of his own challenge, “I thought I looked cool,” and that exact earnestness supercharged public reaction. It wasn’t a calculated gag — he was dead serious, yet viewers found it strangely addictive. On air, members said, “It’s gone crazy,” and “It keeps popping up on my feed every morning,” while online comments poured in: “I can’t even gauge how badly Lee Joon wants to succeed,” “It’s the most satisfying ‘Catch Catch’ challenge yet,” and “After seeing Lee Joon’s version, I can’t watch any other.”
Second, perfect chemistry with the short‑form era. ‘Catch Catch’ — the title track from Yena’s March mini‑album ‘LOVE CATCHER’ — was already challenge‑friendly. Add Lee’s signature full‑power moves, a sleeveless, high‑impact look, and that slightly off‑kilter sincerity, and the shorter you clip it, the stronger the meme energy hits. The original track itself was surging — over 5 million views on China’s Bilibili, No. 8 on Melon TOP100, and No. 4 on YouTube Music Korea’s Top 100 — and Lee’s challenge became extra rocket fuel for its mainstream spread.
Third, the plot twist that is Lee Joon himself. Once known as a fierce performance‑driven idol in MBLAQ and later a respected actor, he’s now being rediscovered as the rawest kind of short‑form star. He didn’t go viral because he was slick — it’s his slightly extra, over‑immersed energy that grabs you. When a familiar star is rediscovered in a totally different way, the public reacts even bigger — and ‘Catch Catch’ is exactly that case. Being “hot” here doesn’t just mean high views; it means Lee Joon has been recast as the most unpredictable, most meme‑able figure of the moment. The momentum even escalated with a joint challenge via video call with original artist Yena.
The reason Lee Joon is on fire is clear. It’s not perfection — it’s the way his total sincerity turns into a memeable moment. Short‑form doesn’t need elite technique; it craves impact. With ‘Catch Catch’, Lee Joon shattered the formula. The star once remembered for on‑stage charisma is now the face of the most addictive challenge — and that unexpected gap is exactly what’s making Lee Joon the hottest name right now.