"To the world! Hello, I'm Johnny!" Seo Young Ho (서영호), better known by his stage name Johnny, is the Lead Rapper and Lead Dancer of the group NCT and its sub-unit NCT 127.
Johnny was born as John Seo on Chicago USA. In 2007, he was accepted in SM Global Audition in Chicago. He trained alongside EXO until he finally made his official debut as an NCT member in 2016.