Ho Tun was one of the first students at the Beifong Metalbending Academy and the second metalbender in history.[3] In his early life, he suffered from extreme insecurities and was constantly worrying about "doom", as well as his parents, who lived in Yu Dao.[4] However, he overcame his nervousness under the tutelage of Toph Beifong, eventually becoming a talented bender and instructor at the Metalbending Academy