Here Are 10 Gifs Of Yoo Jae Suk And Kim Jong Kook That Might Have You Questioning Their Age

They sure share a special relationship.

Yoo Jae Suk and Kim Jong Kook have been working together on Running Man for nearly 10 years now, and have even worked together prior to the show.

That doesn’t mean they always act super friendly with each other, and are nearly always bickering with each other whenever they get the chance. Here are 10 Gifs of these two bickering and/or fighting that might have you questioning their true age.

1. Yoo Jae Suk doing a parody version of Kim Jong Kook’s music

2. Hitting each other whenever they get the chance

3. Humiliating each other whenever they get the chance

4. Lying to each other

5. Yoo Jae Suk can’t stand Kim Jong Kook’s face

6. Yoo Jae Suk questioning Kim Jong Kook’s weight

7. Kim Jong Kook not thinking highly of Yoo Jae Suk during games

8. Yoo Jae Suk baiting Kim Jong Kook

9. Kim Jong Kook threatening Yoo Jae Suk

10. Yoo Jae Suk shampooing Kim Jong Kook’s hair