Twins! Arnold Schwarzenegger's son Joseph Baena has inherited dad's muscles

Like hulking father, like hulking son.

Arnold Schwarzenegger was photographed riding bikes with his son Joseph Baena in L.A. on Wednesday. They had dismounted for a moment and the Terminator was quickly surrounded by fans as Baena stood in the background. (Which is pretty much the story of the kid’s life, am I right?)

A look at the photos serves as a reminder though that the 20-year-old Pepperdine student, whose mom is Ahhnold’s former housekeeper Mildred Baena, has a body just like his dear old dad’s. Look. At. Those. Arms. Somewhere, some place, right at this very moment, Arnold’s son actor Patrick Schwarzenegger, who seems like a wisp of a thing in comparison, is feeling a little jealous.

Fitness has played a big part in the relationship between the men, which is evolving as Baena’s paternity was a secret for some time. Back in October, Arnold, 70, wished Joseph, who reportedly gets great grades at school, a happy birthday by posting this shot of him with his “great training partner.”

They’e been spotted out on bicycles several times before — often in Venice Beach, Calif. — and their ultimate destination tends to be a Gold’s Gym for workouts.

Here they are twice in 2016 getting their fitness on:

Last year, on an Instagram purportedly belonging to Joseph, he posted a photo of himself celebrating Oktoberfest with his dad and made a joke about his father’s famous muscles. Though the new photos show that he’s seriously catching up to Mr. Olympia.

Joseph is in a fraternity in his Cali college — and has a ladylove. But fitness factors heavily into his life, whether it’s swimming, surfing, rugby, skateboarding, hiking, roller-skating, or shirtless football on the beach.

Arnold told Men’s Journal that he’s repaired the damage his four children with Maria Shriver endured over the paternity scandal — and he has a healthy relationship with his late-to-be acknowledged son. “You do think about it every so often,” he said, “and I can beat myself up as much as I want — it’s not gonna change the situation. So the key thing is, How do you move forward? How do you have a great relationship with your kids?”

You put one foot in front of the other — or one foot on each pedal — and go.

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