He is Tanongsak Pakdeethewa(ทนงค์ศักดิ์ ภักดีเทวา) He is a Thai singer with a beautiful voice, in the picture of him with a military uniform, I think he's singing something when he's in the military service. You can listen to some of his songs here.. ยามชัง ไม่รักไม่ว่า ถามซักคำก่อนไป น้ำตาแสงใต้ นกเอี้ยงจ๋า