Primarily known online for his activity on the TikTok channel bigmacjack7, he is a comedy video creator who has earned more than 100,000 followers. He is also a fitness guru as evidenced by his Instagram account.
He featured his cat in his first TikTok video that he posted in July 2019.
He created an Instagram account called jackmccarthy.gym to share his workouts. He partnered with Trident Fitness. He was known as Jackmacunited7 on Snapchat.
He is from England.
For his TikTok video "Get my grampy famous :)," he used the Avicii song "The Nights."