This is John C. Reilly you may know him from any one of his myriad acting credits, including cult hits like Talladega Nights and Step Brothers.

Credit: AP

And this beautiful boy is his son, Leo Reilly.

Although Leo has been forging a successful career for himself as a model, musician and TikTok star seriously, hes amassed over 700K followers on the platform for years, he went insanely viral this week after HuffPost senior culture writer Zeba Bay tweeted out a photo of him and his famous father, noting, so, the young man on the right is John C. Reillys son.

Her comparison positively lit up on Twitter, racking up more than 14,000 likes and launching thousands of comments from apparently thirsty Twitter users.

Some simply could not even comprehend how the two were related.

I need to see the mother, one user wrote. Her genes did what they had to do.

Wow, mommas genes were up against a lot, but they persevered! joked another.

thought this was an Internet Joke but after 20 seconds of research it turns out that loveleo is indeed John C Reillys son, added another.

Leo, 22, is the oldest son of John C. Reilley and his wife, film producer Alison Dickey and yes, it seems he bears more resemblance to his mother than the Chicago actor.

According to IndieWire, the pair met while Dickey was working as Sean Penns assistant on the set of Casualties of War in 1989, which marked Reillys screen debut.

They have been married since 1992 and share two children together: Leo, who was born in 1998 and goes by LoveLeo on social media, and another son born three years later in 2001.

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People are losing their minds over photos of John C. Reilly's hot son: 'Biology is wild' - Yahoo Lifestyle