Jul 17, 1999 (25 years old) in Uttaradit, Thailand
Wattana Yaotao (วรรธนะ เยาว์เต่า), better known by his nickname Smart (สมาร์ท), is a Thai independent singer. He was a member of the duo 2PLAYERZ and boy group NOTE7. He was a contestant on the survival show LAZ iCON.