Visayan warty pigs are critically endangered, with just 200 left in their native habitat the central Philippines.
They may be super-cute, but the species gets its name from its small facial warts...
The youngsters were born to mum Viv and first time dad Tre, and although they currently boast yellow and brown stripes, the camouflage will fade at around 9-12 months.
With one twin male and one female, the twins are yet to be named. Although they will follow in the zoo's tradition of naming them after punk rock stars in tribute to the spiky, mohawk-like manes they grow as adults.
Mum Viv was named after punk pioneer and designer Vivienne Westwood, and Tre after Green Day drummer Tre Cool.
Dave White, from Chester Zoo, said: "Once upon a time warty pigs thrived on at least six islands in the Philippines but, today, wild populations can only be found in the little forest that's left on the islands of Panay and Negros. Sadly, they've been driven to the very edge of extinction in the wild.
"Commercial and illegal logging and agricultural expansion has devastated the forests where they live and, to compound things further, they're overhunted - in fact their meat can command double the price of domestic pork in local markets and restaurants.
"The Visayan warty pig is species which is seeing its long-term survival come under serious pressure."
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