Entertainer Haha congratulated Yoo Jae Suk on his birthday.

Today, Haha posted on his Twitter, "Happy birthday to Jae Suk!! The god of entertainment pouring out his all for filming even on his birthday! Hahahaha! Mine is... August 20!"

Internet users who saw this commented, "Happy birthday!," "I didn't know today was Yoo Jae Suk's birthday," etc.

Haha and Yoo Jae Suk work together for the entertainment shows "Running Man" and "Infinite Challenge."

Photo Credit: TV Report