Netflix’s latest documentary looks at the story of the world’s richest dog – but is there a hoax behind this hound?

By Lauren Morris

Published: Wednesday, 01 February 2023 at 12:00 am


Warning: This article contains full spoilers for Netflix documentary Gunther’s Millions.

Netflix has a penchant for producing documentaries on stories that you just couldn’t make up and its latest series, Gunther’s Millions, is no exception.

This Tiger King-esque four-parter tells the ridiculous story of Gunther, a German Shepherd said to have inherited $400 million from his countess owner in 1992 – a fortune managed by family friend Maurizio Mian.

From Madonna’s beach house to football teams, the world’s richest dog made headlines around the world for his high-profile purchases – however, as the documentary explores, the tale around this mongrel’s millions isn’t the most paws-ible.

Gunther’s Millions looks at a much darker side to the narrative spun by Mian, which takes a strange turn into sex cults, scientific experiments and tax schemes – but what is the true story?

Here’s everything you need to know about Gunther’s Millions, including the dog’s net worth and what actually happened with the rich rover – and final warning: there are big spoilers for the Netflix documentary ahead.

Who is Gunther the dog?

Gunther III is a German Shepherd who was said to have inherited $400 million (£328m) from Countess Karlotta Liebenstein after her death in 1992.

Liebenstein reportedly appointed Maria Gabriella Gentili, a pharmaceutical entrepreneur and friend, to take care of the trust and Gunther after her death. However, it was her son, Maurizio Mian, who became the dog’s caretaker and CEO of The Gunther Corporation.

“The friendship between Countess Karlotta and my family was very strong… to me, she was Aunt Carla,” Mian says in the documentary.

Gunther III sadly died shortly after the Countess’s death, and so his great-grandson, Gunther VI, inherited his fortune.

According to Mian, Liebenstein was left heirless after her son (also called Gunther) died by suicide at the age of 26 and so made her dog Gunther III her heir – however, the circumstances around this story, which made headlines throughout the ’90s and early 2000s, turned out to be thoroughly untrue.

As explained in the documentary, the millions inherited by the dog were not originally owned by the Countess – they were actually the fortune of Gentili, whose company The Gentili Institute was incredibly successful after developing a drug that was effective in treating bone disease.

The institute was sold to US pharmaceutical company Merck and to avoid being hit by Italian taxes, as previously reported in the Italian media. Gentili placed the money in Lichtenstein, with Mian telling the documentary: “To avoid taxes, my mother, for a long time, had been bringing all the earnings related to our company to Liechtenstein.

“But this was against Italian law. In Italy, in the late ’80s, there was a huge investigation into undeclared money kept abroad.”

According to Mian, the family decided to hand over the money to their friend, Countess Liebenstein, who was a German national, to stop it being affected by Italian taxes. When the Countess became ill, Mian said that she and Gentili decided to name her dog as the inheritor and Gentili as the curator of the trust, making it legitimate by choosing a lawyer to be the trustee in the Bahamas, where “there’s no tax on the income that’s earned by the trust offshore”, according to Jack Blum, a lawyer who contributes to the documentary.

However, in episode 3, after the documentary reveals that they couldn’t find any proof of the Countess existing, Mian reveals that Karlotta Liebenstein was not actually a real person. “She was not exactly Karlotta Liebenstein, she was not exactly as I have, you know… She was not a Countess. She was an avatar.”

According to Carla Riccitelli, Mian’s ex-wife and a representative of The Gunther Trust, the woman in photographs that Mian claimed was the Countess was actually one of his aunts. As for the Countess Liebenstein’s son, the documentary reveals that he was also not a real person and that it was Mian who struggled with depression.

As for who the dog Gunther was, the original dog was owned by Mian’s ex-girlfriend Antonella Signorini and was used by Mian for publicity purposes.

How much is Gunther the dog worth?

""
Maurizio Mian in Gunther’s Millions.
Netflix

Gunther the dog was said to be worth around $400 million (£328m) after Mauricio Mian claimed that he inherited it from his owner, Countess Karlotta Liebenstein.

However, the docuseries shines a light on the story, proving that it’s actually a hoax with the fortune coming from Mian’s mother, pharmaceutical entrepreneur Maria Gabriella Gentili, while the dog actually belonged to Mian’s ex-girlfriend Antonella Signorini.

“As far as I know, my dog has inherited nothing,” Signorini said on an Italian talk show, shown in the documentary.

“The person who created the story of the dog was mainly interested in generating publicity. Why my dog? Because I had a close relationship with the person who invented this fairy tale. My dog was used as a circus clown.”

What was The Gunther Corporation?