Nam Do Hyon (남도현) is a South Korean rapper under MBK Entertainment. He is the maknae of the project boy group X1. He is very known for being weird.
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.
Source: kpop wiki