In TVN’s Taxi, actor Ryoo Deok-hwan revealed how he did dance activities with G-Dragon when they were young. Ryoo Deok-hwan debuted when he was a child in MBC’s Bbo bbo bbo, where he met G-Dragon. The dance group was active in local festivals and also did opening acts for H.O.T.
Source: Nate via BestizQuick translation by SiYeon for bigbangupdates.com

this is soooo cool!! explains why GD has so many celebrity friends. 🙂 ever since he was a child, he’s already a star. kekek.. 😀