Pesto, a nine-month-old king penguin at Sea Life Melbourne, weighs 20 kg, making him the largest chick ever at the aquarium.

Meet Pesto, a 22-kilogram king penguin chick who’s quickly becoming the latest social media sensation - A huge king penguin ...

A baby king penguin resembling a huge ball of brown fluff who eats 25 fish a day is not overweight, according to its keepers.

Pesto’s biological father, Blake, is one of the aquarium’s oldest and largest penguins. But he’s being raised by Tango and ...

The "little" king penguin "Pesto" is currently wowing the net. He weighs 22 kilograms - as much as his two parents combined.

A huge king penguin chick named Pesto has become a social media celebrity and a star attraction at an Australian aquarium.

In this photograph provided by SEA LIFE Melbourne, Pesto, a huge king penguin chick who weighs as much as both his parents ...

A huge king penguin chick named Pesto, who weighs as much as both his parents combined, has become a social media celebrity ...

MELBOURNE, Australia (AP) — A huge king penguin chick named Pesto, who weighs as much as both his parents combined, has become a social media celebrity and a star attraction at an Australian aquarium.

Pesto, who weighs 46 pounds at just nine months old, has been on display at an Australian aquarium since April. As he grew, so did his social media fanbase — especially after a recent gender reveal.