Meet the world's chunkiest animals from the 'Schwarzenegger of kangaroos' and ... trends now

From a snack-loving monkey nicknamed 'Mr Fatty' to a two-stone cat that is often mistaken for a dog, not all animals are as cute and fluffy as the ones we have come to know and love. 

Although obesity is not normally a problem faced by the animal kingdom, some creatures have become social media sensations purely through their indulgent eating habits.

Others have ballooned to their enormous size through muscle weight alone, hitting the international headlines by showing off their toned physiques. 

Here, MailOnline takes you 'inside the world's chunkiest animals' with a selection of creatures whose SIZE has found them in the spotlight in recent years - despite it often having devastating consequences for their health. 

Roger, who stood at 200 centimetres tall, became an internet sensation back in 2015 when pictures surfaced of his bulging biceps, popping veins and prominent chest.

The red kangaroo lived in a sanctuary in Alice Springs, Australia, where he crushed metal buckets with his paws for fun. 

However, despite his toned physique, Roger was not able to defeat the aging process and he suffered from arthritus towards the end of his life. 

The kangaroo died at the age of 12 in December 2018 with sanctuary boss, Chris 'Brolga' Barnes posting an emotional tribute to him on Facebook. 

'It's a very sad day here today for we have lost our beautiful boy, Roger,' Mr Barnes said.

'Ten years ago, I built this sanctuary to house Roger and a couple of his wives, Ella (and) Abigail. We built it so they'd have a place to live.

'Roger was our alpha male for many years and he grew up to be a kangaroo that people from all over the world have grown to love as much as we love him too.'

Weighing in at more than 20kg, legendary chunky monkeys Uncle Fatty and Godzilla shot to fame due to their life of indulgence - despite it having devastating consequences for their health. 

Cruelly kept on a lead and raised on a diet of junk food, Godzilla's weight ballooned to more than 20kg, and he became a major tourist attraction at his owner's market stall in Bangkok, Thailand. 

He soon drew comparisons with Uncle Fatty, another popular overweight primate, who had tipped the scales at 27kg and was believed to be between 10 and 15 years old.

The monkeys were then forced into 'fat camp' were they were able to shift some weight on strict diet regimes. 

But after returning to the wild, and having not been seen in years, Uncle Fatty is now widely believed to have eaten himself to death.

Uncle Fatty once lived near a tourist hotspot floating water market in Bangkok, where he enjoyed a lavish lifestyle. 

The elderly monkey was popular with locals and tourists alike, gobbling any food that he good get his paws on.

But the abundance of food offered to him by visitors, which included sugary melons and sweetcorn as well as extremely unhealthy human food like milkshakes and noodles, meant he piled on the pounds.

With macaques normally weigh between eight and 10kg, the 27kg beast was the same weight as three of his kind.