Little Ant and Dec burst onto the Saturday Night Takeaway scene in 2003.
The pair shot to fame as their namesake's younger counterparts in an attempt to revitalise celebrity interviews. They were tasked with getting the lowdown on Hollywood greats, with interviews often descending into chaos thanks to their cheeky attitudes.
James Pallister and Dylan McKenna-Redshaw were the original doppelgangers and made celebs wait hours to be spoken to. They were forced to leave Saturday Night Takeaway in 2006 after hitting a growth spurt which meant they were no longer the fresh-faced kids they came in as and slowly started to match Ant and Dec's height.