His 'Haroro' character on the show is so well loved that even children know of him. On the July 26th episode of SBS' 'Thank You', MC Cha In Pyo told HaHa, "You have to take responsibility for your elementary school kid character."

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HaHa answered, "To be honest, I thought a lot about the 'Haroro' character. I'm at the age where I think about life when I'm drinking. Once, I was smoking with friends at the store after work. One of the families that was also there had a child, and he started crying, saying, 'Haroro is smoking!' I thought, 'Who am I to do this,' and I felt responsible."