Kunpimook Bhuwakul, a.k.a BamBam, under the watchful gaze of The Flintstones’ Bamm-Bamm Rubble, is not just a rapper and singer but a walking, talking dynamo based in South Korea as well as his native country of Thailand. BamBam’s journey into Korean culture started with his mom, the ultimate Rain fan, dragging him to concerts. Little…