Beloved Child Star Unveils Massive Bulk-Up In A Total Grown-Up Transformation

GAINS.

Vocalist Yoon Min Soo‘s son, Yoon Hoo, of Dad! Where Are We Going? fame showed off his massive gains in his latest Instagram update.

Baby Yoon Hoo and Yoon Min Soo on “Dad! Where Are We Going?” | MBC

On November 14, 2025 (KST), Yoon Hoo posted several mirror selfies from the gym, highlighting his broad shoulders and defined arm muscles.

| @who_is_hoo24/Instagram

He noted in the caption, “Steady progress… What matters most is the diet,” hinting at the hard work that he has been putting in.

Fans, especially those who remember Yoon Hoo as the cheeky little boy from Dad! Where Are We Going?, are stunned speechless at his grown-up transformation.

| theqoo

• “Wow, those arms aren’t something you get in just a day or two.”
• “Huh…?!”
• “Wait, Yoon Hoo? THE CUTE LITTLE YOON HOO?”
• “H–Hoo… Is that you?”
• “No, this is a lie, I refuse to believe it.”
• “Wait, no? But his face is the same… Hoo-ya…?”
• “That’s impressive.”
• “His face is still just a baby.”
• “?????!”
• “LOL. He really looks like a big, buff teddy bear.”
• “Huh? Wasn’t he like four years old??”

Yoon Hoo, born in 2006, appeared on MBC‘s Dad! Where Are We Going? in 2013. He is now studying abroad in the US, majoring in business at the University of North Carolina.

Read more about Yoon Min Soo here:

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