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LONDON — Larry the cat, the UK's most famous feline, marks 15 years on Sunday as the country's chief mouser patrolling the corridors of power around number 10 Downing Street.
Here are four things to know about the purr-fect puss who over the years has charmed his way into the hearts of some of the world's top politicians.
Humble roots
Recruited to deal with a rodent problem, Larry arrived at the prime minister's official residence on February 15, 2011.
He was adopted from the renowned London animal shelter, Battersea Dogs and Cats Home, when he was believed to be about four years old. David Cameron was prime minister at the time.
Since then, the white and tabby cat, officially introduced on Downing Street's website as the "Chief Mouser to the Cabinet Office", has reigned supreme from the country's most photographed doorstep.
His official biography on the Downing Street website says apart from rodent control: "Larry spends his days greeting guests to the house, inspecting security defences and testing antique furniture for napping quality."
Six prime ministers
He has lived through six prime ministers, from Cameron to Keir Starmer, weathered the storms of Brexit, Covid-19, the chaos of "partygate," Liz Truss's 49‑day whirlwind occupation, and the more orderly months under Rishi Sunak.

British Prime Minister Keir Starmer looks at Larry the cat, Chief Mouser to the Cabinet Office, as he steps out from 10 Downing Street to welcome President of Cyprus, Nikos Christodoulides (not pictured) ahead of their meeting in London, United Kingdom on May 21, 2025.
In January, he even sent a photographer stumbling on the red carpet after darting unexpectedly between his legs during a visit by Poland's president.
Cat-fluencer
A whiskered influencer, Larry also boasts an X account @Number10cat followed by more than 877,500 fans.
Run by an anonymous user, Larry grumbles about getting caught in the rain and sometimes takes catty swipes at politicians, notably UK Reform and the administration of US President Donald Trump.
His first months "in office" even inspired a book, "The Larry Diaries", published in 2011.