O'Hurn gained international fame through his Instagram account where he was recognized for his height, physique and for popularizing the man bun. O'Hurn teamed up with Tyler Perry in the 2016 film Boo! A Madea Halloween, making his acting debut as frat boy Horse. He reprised the role in the sequel Boo 2! A Madea Halloween (2017). He also stars in Perry's television series Too Close to Home.