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

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

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

Pesto, a nine-month-old king penguin at Sea Life Melbourne Aquarium in Australia, has become a social media sensation.

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 the Penguin is huge! Both in size and in the nine-month-old's fervent following on social media. The baby penguin at the Sea Life ...

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

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

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

There's a new animal that the internet has fallen in love with, and it's a huge baby penguin named Pesto. He's the heaviest penguin chick the Sea Life Melbourne Aquarium has ever had, weighing in at a ...

Jacinta Early, the education supervisor at Sea Life Melbourne Aquarium in Australia, said a king penguin chick named Pesto who has gained social media fame for his size and weight at 49 pounds will ...