Macaulay Culkin was the world's most famous child. There's a reason he walked away from it all.

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There are three Macaulay Culkins.

There's the one who exists in our minds' eye: 10 years old, blonde fringe, impish smirk, frozen as Home Alone's Kevin McCallister or My Girl's Thomas J Sennett.

There's the one who exists in the tabloids as the former child-star cliché; reclusive, troubled, supposedly victimised and drug-addled.

And then there's the one who we know through interviews, his writings and social media. That version, seemingly the closest to the truth, is a now 45-year-old man — married with two children and seemingly at peace — reflective, honest and good-humoured about his unlikely life.

Watch: Macaulay Culkin Wont Recreate His Home Alone Face. Article continues after video.

Most recently, he opened up on the SmartLess podcast about how he finally "grabbed autonomy with both hands" after severing ties with his abusive father and walking away from a career that had become a "hamster wheel" he no longer wanted to ride.

This is his story.

The poor millionaire.

It's hard to overstate the success of the 1990 film, Home Alone. By the time it left theatres, it was the highest-grossing comedy of all time and the third most successful movie of any genre behind Star Wars and E.T.

It made such a star of Macaulay Culkin that, at just 10 years old, he commanded $1 million for his next film, My Girl.

But even at the height of his fame, the highest-paid child actor in history didn't have a bed.

Culkin was raised in a small, one-bedroom apartment in Manhattan, the third of six siblings. There were only two doors in the flat; the entrance and the bathroom. And the children slept in crowded bunks.

His mother, Patricia, worked as a telephone operator, and his father, Kit, as a Catholic Church sacristan.

It was circumstance that launched him (and later, several of his siblings) into show business. A friend and neighbour worked as a stage manager at a theatre in New York's Hell's Kitchen neighbourhood, which was running a production that needed a six-year-old boy.

"She knew this family — this huge family — around the corner, and she figured there might be somebody of the right age and the right gender and there I was," Culkin told New York Magazine.

Casting director Bill Hopkins recalled having to pay for the young star's transport to and from rehearsal; his parents simply didn't have the funds.

"They were so poor..." he told the publication. "Macaulay would crawl under the bleachers at the theatre to look for change that had fallen out of people’s pockets. They were like the Beverly Hillbillies."

Macaulay Culkin, 10, with his parents. Image: Getty.

Two years later, at the age of eight, Culkin landed his first film role in Rocket Gibraltar, but it was from the 1989 John Candy comedy Uncle Buck that his career was forged.

In the space of six years, he filmed 14 movies.

Steering it all was his father, a man Culkin has described as "physically and mentally abusive", "controlling", and "jealous" of his son's early success.

"He played games with you, just to make sure you were still in your place," Culkin told Larry King Live in 2004. "I remember when I was — this is near the end, and I was making God knows how much money, and I didn't have a bed. I didn't even have a room. I was sleeping on the couch."

In the recent podcast interview, Culkin reflected on the impact of estranging himself from his father.

"I had a pretty acrimonious relationship with my father, famously," Culkin said. "As soon as I was able to kind of push him out, my quality of life on a day-to-day level definitely went up."

At the age of 14, sick of having no control over his own life, sick of working and eager to go to school for the first time since Year 1, Culkin retired.

His mother and father split in the years that followed, sparking a fierce, lengthy custody battle over the children.

In the process, the teen wrested back control of his sizeable fortune, 20 per cent of which his parents had legal guardianship over. The rest was held in trust until his 18th birthday.

"Basically, I had millions and millions of dollars in the bank and my mother couldn’t pay the rent because she was spending all of her money on lawyers," Culkin told New York Magazine.

"We were about to get evicted from our apartment. The only way I could get access to that money was to take my father’s name off it, but I didn’t want to make it messy, so I figured I’d take both their names off."

By the time he came into that money he felt entirely divorced from it.

"I sat down in my accountant's office. It was basically the day where he put down a piece of paper in front of me and said this is how much you're worth," he told Larry King Live.

"It was interesting, because it was one of these moments where it was like I felt like this little boy worked really hard and I inherited all of his money."

When Macaulay Culkin disappeared.

By 1994, Culkin was "done." And he recently opened up about exactly why.

"I was like, 'I hope you all made your money, because there's no more coming from me'," he recalled. "I made my name, I made my mark, I made my fortune," he said on the SmartLess podcast.

"I wanted to take a break, and I said I was getting really taxed. I was not heard. That was something that really affected me, and affected my work and stuff like that," he recalled.

"It was just like, 'Oh, I'm on the hamster wheel and I can't get off.' Once I had some autonomy and some agency in my life, I grabbed it with both hands."

Though Culkin put his career behind him, the public wasn't ready to let go.

Headlines stalked him in 1998, when he married actor Rachel Miner at 17.

When they separated two years later.

When he became a self-diagnosed agoraphobic in the early 2000s ("There were always photographers in the bushes and things like that, and there [were] a lot of things out there that were trying to consume me," he later said. "I almost never left the house.")

And when, in 2004, he was arrested for possession of marijuana.

Culkin and his then-wife, Rachel Miner. Image: Getty.

Eventually, Culkin tip-toed back into acting with the 2003 film Party Monster. But it's a film that's tied up in tragedy for the star; it was the last his sister, Dakota, ever saw.

"She had a roommate at the time," he told Esquire. "She [called and] said, 'We just watched Party Monster, and we wanted to compliment you.’ She said, 'I want you to stay focused and enthused.' I was like, 'Thanks. You too. Go to sleep.' And then she went out to go get some Gatorade and cigarettes, and she got hit by a car."

That focus propelled him through a handful of film and television shows during the aughts, for which he did only a smattering of publicity.

In 2012, photographs of him looking gaunt and hollow-eyed fuelled tabloid rumours that he was addicted to heroin and oxycodone, following the breakdown of his eight-year relationship with actor, Mila Kunis.

Though he's conceded "playing with fire" by indulging in recreational drugs (hence the previous arrest), he denies it ever became a problem.

"I was not pounding six grand of heroin every month or whatever," he told The Guardian.

"The thing that bugged me was tabloids wrapping it all in this weird guise of concern. No, you’re trying to shift papers."

Michael Jackson, the Home Alone reboot, and what he's up to now.

Most attention in Culkin's adult life, however, came courtesy of someone else entirely: Michael Jackson.

When the singer faced trial in 2005 for allegedly molesting a 13-year-old boy, Culkin served as a defence witness. It was the last time he saw Jackson before he died in 2009, after being given a fatal combination of drugs by his doctor.

Culkin had known Jackson since childhood and spent many nights at the Neverland Ranch where multiple accusers (before and since) have alleged abuse took place. He's insisted, however — firmly and repeatedly — that he was safe with Jackson. A man who, though 22 years his senior, was one of his only friends, a man who "enjoyed [his] youthfulness" and simply "liked being a kid" with him.

"Look," he told Esquire. "I’m gonna begin with the line — it’s not a line, it’s the truth: He never did anything to me. I never saw him do anything. And especially at this flash point in time, I’d have no reason to hold anything back. The guy has passed on."

Michael Jackson and Macaulay Culkin at Jackson's 30th anniversary concert in 2001. Image: Getty.

These days, Culkin is writing his own headlines. Literally.

Since 2017, he's run a media company called Bunny Ears, which includes a podcast and a website that's part satire, part pop culture, part lifestyle. Among its most notable articles: "Deep Breathing Exercises for When Your Home Is Getting Robbed Right Now," and "Macaulay Culkin Ranks His Favourite Macaulay Culkin Movies" (Home Alone 2 tops the list, for those who want to know).

That irreverence came as little surprise to those familiar with his stint as a musician with The Pizza Underground, a short-lived band whose schtick involved tweaking The Velvet Underground lyrics to make them about... well, pizza. Think, "Take a Bite of the Wild Slice" and "I'm Waiting for Delivery Man."

There were shows. Tours, even. But these days he's a little more settled.

After years of "drifting" and a high-profile, decade-long relationship with Mila Kunis, Culkin found his steady ground with fellow actor Brenda Song. The pair, who met on the set of Changeland in 2017, got engaged in 2022 and have built a quiet, domestic life far removed from the "child star" narrative.

Today, Culkin is a father to two sons: Dakota, 4, named after his late sister who tragically died in 2008, and Carson, 3.

Now, his approach to work is rather, well… on-again, off-again.

"I retire and then, if I find something I like, I unretire, do that, and I immediately retire afterwards," he said on the SmartLess podcast. "Every gig is my last."

He has the good fortune — again, literally — to dip in and out of acting when a role strikes his fancy. Among those was Zootopia 2, a cameo in Running Point and Tarantino's Oscar-winner, Once Upon a Time in... Hollywood, but he said his audition was "a disaster".

More than 30 years on, perhaps we'll get to know a whole other Macaulay Culkin...

Hey @Disney, call me!

— Macaulay Culkin (@IncredibleCulk) August 7, 2019

Feature Image: Getty/Mamamia.