Tanawat Nakoon (Thai: ?
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; born October 9, 1992), known professionally as Satanmuanglek PetchyindeeAcademy (Thai: สะท้านเมืองเล็ก เพชรยินดีอะคาเดมี่), is a Thai former professional Muay Thai fighter and boxer.
He is a former three-time Lumpinee Stadium and also challenged for a WBA Light Flyweight title in boxing.