Who Is Mike O’Hearn? Height, Age, Workouts, Wife, Natty Or Not Status & More Revealed

Memes, muscle, and more.

Mike O’Hearn Featured Image

Ever heard of the song “Baby Don’t Hurt Me”? With an accompanying picture of a built man? The art which inspired his merchandise sold out just like the song. After 40 years of making waves in the world of business & movies, one of the strongest pillars of sports, Mike O’Hearn is here. With over 9 titles to his name, Mike, whose love for sports started at a very young age of 14, continues to represent bodybuilding till 55.

The bodybuilder has raised an army in his name with over 4 million followers on both Instagram and TikTok plus almost a million subscribers on YouTube. If you’re a fan of Mike or you knew him off “Baby Don’t Hurt Me,” then this is for you. Ever wondered “How old is Mike O’Hearn?” “What does Mike O’Hearn eat in a day?” “Is Mike O’Hearn natural?” “Who is Mike O’Hearn’s girlfriend?” When next you hear the song, remember an actor, bodybuilder, personal trainer, and model.

Mike O’Hearn’s Quick Facts

Name:Michael O’Hearn
Age (DoB):55 (26th January 1969)
Wife:Mona Muresa
Height:6 feet 3 inches (191cm)
Weight: 109KG-116KG (240-255lbs)
YouTube:Mike O’Hearn
Net Worth: US $2.5 million

Mike O’Hearn’s Background: Who is Mike O’Hearn?

Mike O’Hearn’s Background Who is Mike O’Hearn
Image: @mikeohearn

O’Hearn, with nine other siblings, was born and raised on a farm in Kirkland, Washington State. At the tender age of nine, O’Hearn’s love for weights was evident as he took his first practice. He was known for his excellent skills on the football pitch in high school, which marked the beginning of his talents.

At 15, he won the Teenage Washington State competition. With the help of his athletic dad and artistic mother, Mike got into bodybuilding. Mike was the youngest of 10 who always got picked on by his siblings. His family was full of powerlifters, including his sisters. Mike’s family was also skilled in martial arts. As the youngest, he always strived to stand out amongst his family when it came to fitness and growth. It was easy for him to get overshadowed since he was the last.

Based on Open Powerlifting records, he has competed in at least six official meets. His most successful competition occurred at the 1993 ADFPA California State Championships. There, the young star won the game in the 110-kilogram category, securing an impressive second-place finish overall. Here are the lifts he accomplished during that meet:

  • Squat — 295 kilograms (650.3 pounds)
  • Bench Press — 205 kilograms (451.9 pounds)
  • Deadlift — 320 kilograms (705.4 pounds)
  • Total — 820 kilograms (1,807.8 pounds)

In 2008, he made a guest appearance on the NBC soap opera Days of Our Lives as a bartender, and reprised his role of Titan on an episode of NBC’s Celebrity Family Feud.

Mike O’Hearn’s guest appearance as a cage fighter in episode 14 of NBC’s Knight Rider revival didn’t leave the lips of viewers for a while. In 2011, he appeared in season 7 of It’s Always Sunny in Philadelphia, playing Mac’s “avatar” in one of the episodes.

Also, He played a bodybuilder in the Workaholics episode “Muscle I’d Like to Flex”. In 2012, Alter Ego, a 7-episode action sci-fi thriller O’Hearn was self-produced and starred.

In 2020, he was featured in documentary motion picture, Generation Iron 4: Natty 4 Life, a film focusing on the natural side of the bodybuilding.

At some point O’Hearn became an internet sensation across various social media platforms. Y’all must have seen those hilarious Mike O’Hearn memes floating around on Instagram, Tiktok and even WhatsApp stickers. You’ll find these clips of him just casually rolling up his sleeves or giving a very bombastic side eye. Good stuff!

How Old is Mike O’Hearn?

How Old is Mike O’Hearn
Image: @mikeohearn

Harnessing the goodies of the late 60’s when he was born, 55 year old Mike O’Hearn has seen the good, bad & ugly of most shades of life. Born on the 26th of January 1969, he started off as a high school football star however he didn’t stop there. He balanced his time between football, bodybuilding, and powerlifting. Joe Weider, a fitness pioneer, served as one of O’Hearn’s factors to success as he took him to California. Since then, he has followed the steps of his predecessors as he has won the Mr. Universe title four times and the California Powerlifting Champion, amongst others.

Mike O’Hearn’s Weight & Height

Mike O’Hearn’s Weight & Height
Image: @mikeohearn

With layers of worked-out sheaths of muscles, O’Hearn towers at about 6ft3 inches (191cm). Though an average weight lifter’s height ranges from 5 feet 10 inches – 5 feet 11, his above-average height has contributed to his success, including winning four Natural Mr. Universe titles. 

In the overall and tall categories, Muscle Memory listed O’Hearn as the winner of the 1997 INBA Natural Mr. Universe. Due to frequent bulking, cutting and body sculpting, O’Hearn’s weight ranges from 109 KG-116KG (240-255 lbs).

What Does Mike O’Hearn Eat in a Day?

What Does Mike O’Hearn Eat in a Day
Image: @mikeohearn

In a bid to maintain a shredded appearance all year round, O’Hearn follows a structured meal plan consisting of six to eight meals a day. He looks as if he’s always just a few weeks away from stepping on a grand stage. With 30g of high-quality, grass-fed protein, he ensures he gets enough of his essential nutrients to repair and build his muscles. 

For the first four meals of the day, he combines protein with 50g of carbohydrates and a source of healthy fats. On the contrary, carbs which seem to be every dietitian’s woe is his sweetheart as a major part of his meals are made from carbs. The macronutrients in his meals vary based on his choice of brand and portion sizes.

In a day he eats:

Meal 1

  • Glass of water
  • d-vitamin, 
  • DHEA, 
  • Green tea
  • Fish oil
  • Oatmeal
  • Fat burners
  • Two eggs

Approximately 13g of protein, 28g of carbohydrates, and 11g of fat.

Meal 2

  • Whey Protein Powder
  • Cherries
  • Flaxseeds
  • Ice
  • Water

This amounts to about 29g of protein, 30g of carbohydrates, and 8g of fat.

Meal 3

  • Salad
  • Ground beef
  • Tomato
  • Red onion
  • Green beans

Total macronutrients: Roughly 22g of protein, 20g of carbohydrates, and 10g of fat.

Meal 4

  • Protein Shake
  • Vitamins
  • BCAA

Total macronutrients: Approximately 29g of protein, 4g of carbohydrates, and 1g of fat (from protein shake and BCAA).

Meal 5

  • Shrimp
  • Brown Rice
  • Feta Cheese
  • Olive Oil

Total macronutrients: Roughly 24g of protein, 23g of carbohydrates, and 22g of fat.

Meal 6

  • Eggs
  • Granola
  • Whey Protein 

Total macronutrients: Roughly 41g of protein, 28g of carbohydrates, and 17g of Fat. These values may vary depending on the specific brands and serving sizes he uses.

What is Mike O’Hearn’s Workout Regimen?

What is Mike O’Hearn’s Workout Regimen
Image: @mikeohearn

With a dedicated Monday to Friday regimen, and Saturday and Sunday as rest days, each day is focused on a certain body part.

Mondays: Chests/Abs

  • Dumbbell Bench Press (4-5 sets of 10 reps)
  • Barbell Incline Bench Press Medium-Grip (1-2 warm-up sets, 6 sets of 5 reps)
  • Incline Dumbbell Flyes (3 sets of 8-10 reps)
  • Cardio (Treadmill, 30 minutes)
  • Crunches

Tuesdays: Legs/Abs

  • Barbell Squat (1-3 warm-up sets, 7 sets of 3 reps)
  • Crunches
  • Cardio (Treadmill, 30 minutes)
  • Leg Press (5 sets of 10 reps)
  • Leg Extensions (3 sets of 8 reps)

Wednesday: Shoulder/Abs

  • Standing Military Press (3 sets, 8 reps)
  • Upright Barbell Row (3 sets, 8 reps)
  • Standing Dumbbell Upright Row (3 sets, 8 reps)
  • Side Lateral raise (4 sets, 12 reps)
  • Seated Bent-Over Rear Delt Raise (4 sets, 12 reps)
  • Cardio (Treadmill, 30 minutes)
  • Crunches

Thursday: Arms

  • Cardio (Treadmill, 30 minutes)
  • Preacher Curl (sets of 8-12 reps)
  • Lying Triceps Press (4 sets of 8-12 reps)
  • Triceps Pushdown (4 sets of 8-12 reps)
  • Dumbbell Incline Triceps Extension (4 sets of 8-12 reps)
  • Barbell Curl (3 sets of 8-12 reps)
  • Seated Dumbbell Curl (3 sets of 8-12 reps)


  • Barbell Deadlift (1-3 warm-up sets, 7 sets of 2 reps)
  • One-Arm Dumbbell Row (5 sets, 10 reps)
  • Wide-Grip Lat Pulldown (3 sets, 8 reps)
  • Cardio (Treadmill, 30 minutes)
  • Crunches

Mike O’Hearn and the Silver Screen

Mike O’Hearn and the Silver Screen
Image: @mikeohearn

As one of the athletes on American Gladiators competing against contestants under the nickname “Thor,” when the series was revived in 2008, he took on the name “Titan.” He was the only athlete to have been in both editions of the series. Mike O’Hearn also portrayed the hulk in an episode of the award-winning Epic Rap Battles of History. Also In 2004, he played Clark Kent/Superman in Sandy Collora’s World’s Finest.

In 2023, he starred in two simultaneous movie releases: Divinity, where he portrayed Rip Pierce, and Magazine Dreams, where he took on the role of Brad Vanderhorn. His presence in Hollywood has been duly felt in recent times with his feature in an episode of Blue Ridge. With an endless list of accolades, he stops at nothing to leave a lasting prints. He has featured in over 500 magazines and won fitness model of the year for seven times.

O’Hearn was also active in martial arts, competing in various tournaments throughout his career. Among his highlights was winning the California Judo championship twice. He was inducted into the Masters Hall of Fame in 2014.

Mike O’Hearn Net Worth

Mike O’Hearn Net Worth
Image: @mikeohearn

The American bodybuilder has a net worth of $2.5 million. Asides gracing countless magazine covers and making appearances on TV, he also played a key role in the American Gladiators series reboot and the original as well.

In collaboration with Generation Iron, he began a show named the Mike O’Hearns show. Dedicated to weight loss and bulking, His clients were fondly called ‘The Titans’.

At mikeohearnlifestyle.com, you’ll find a site dedicated to a range of clothing needs for his clients. They offer hoodies, sweaters, shirts, long sleeves and more. 

Mikeohearn.com, his personal page focuses on providing meal plans and trainings for his “Titans”. He also launched a product line of nutritional supplements for weight loss and bulking.

Is Mike O’Hearn On Steroids?

Many fans and haters alike must wonder, Is Mike O’Hearn natty? Rest assured, he flexes as a lifelong Natty. The 4-time Natural Mr Universe, 4-time Powerlifting Champion has one of the rarest feathers to his hat in Bodybuilding: Not being on steroids.

One of his greatest feats is his lifelong commitment to natural bodybuilding as opposed to anabolic steroids since the inception of his career. Consequently, he has also won the Iron Warrior: Decathlon of Strength Strongman Champion. 

Though natural, he incorporates solid supplementation in his routine. His supplements include a quality meal replacement shake to enhance the growth of his muscle mass and help with recovery. Also, pre-workout is a daily must to boost energy levels and achieve solid pumps during his training. One of his game changers has been a testosterone booster to boost his training and performance, as well as overall health and wellness.

Who is Mike O’Hearn’s Wife?

Who is Mike O’Hearn’s Wife
Image: @mikeohearn

Mike’s love for bodybuilding is evident in his choice of partner as he tied the knot with IFBB figure pro, Mona Muresan. Committed to nutrition, health, and bodybuilding, she runs Nebraska steakhouse and lounge located in NYC Financial district. 

With over 80k+ followers on Instagram, she has a heavy online presence with the help of her husband, O’Hearn. Together they have a four-year-old son who has the genes of his mother to the absolute delight of his dad.

What next for Mike O’Hearn?

In April 2024, Mike confirmed he will fight with former UFC Champion Rampage Jackson in his debut matchup. Later on, he reported he was going to face Erik Hammer. Although Rampage remains as one of his opponents for a later date, he’d be facing Erik for his debut. 

His competition history includes 2015 NPC Washington Ironman 1st, 2015 NPC Idaho Muscle Classic NP, 1997 INBA Natural Universe Bodybuilding Championships 1st, 1997 INBA Natural Universe Bodybuilding Championships 1st. This history was short-lived as he never got to the Mr. Olympia stage. He stays shredded with no water retention.


What is Mike O’Hearn’s workout routine?

Mike O’Hearn follows a rigorous workout regimen, giving specific days to different muscle groups. For example, Mondays are for chest and abs, Tuesdays for legs and abs, and so on. He combines weightlifting with cardio to maintain his physique.

Who is Mike O’Hearn married to?

Mike O’Hearn is married to Mona Muresan, an IFBB figure pro. Together, they run a steakhouse and lounge and have a son.

Is Mike O’Hearn on steroids?

No, Mike O’Hearn has never used anabolic steroids throughout his career. He prides himself on maintaining that natural approach to bodybuilding.