Michael O'Hearn (born January 26, 1969) is an American bodybuilder, actor, personal trainer and model.

[6] In February 2009, he made a guest appearance as a cage fighter in episode 14 of NBC's Knight Rider revival.

[1] In 2016, O'Hearn portrayed Marvel Comics character The Hulk in a season 5 episode of webseries Epic Rap Battles of History where he rapped against media personality and former athlete Caitlyn Jenner, portrayed by Nice Peter and Jolie "NoShame" Drake.

[8] In 2023, he portrayed the father of a bodybuilder contestant in episode 14 of the 6th season of 911[9] In 2024, O'Hearn appeared in Kesha's music video for the song "Joyride".

[10] In 2023, O'Hearn became an internet meme on the social media platform TikTok in a short video with the song "What Is Love" by Haddaway slowed and reverbed.