Nam Do Hyon (남도현) is a South Korean rapper under MBK Entertainment. He is the maknae of the project boy group X1.
In 2018, he participated in MBC's survival show Under Nineteen as a member of the rap group. He was eliminated in episode 9 after achieving 12th place in the rap team and 42nd place overall.
In 2019, he participated in Mnet's boy group survival show Produce X 101 representing MBK Entertainment. He finished in eighth place, thus becaming a member of X1. The group officially debuted on August 27, 2019 with the mini album, 비상 : Quantum Leap.