He also has taken to the stage with Ant and Dec, and the rest of the crew, to collect awards.
And it's suggested that the "secret" helper played a massive role in getting the loveable pair back on track following Ant's well-publicised difficulties this year.
Introducing Andy Milligan, the guy behind all of Ant and Dec's hilarious gags for I'm A Celebrity and Saturday Night Takeaway.
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Andy, who is now working with boys in Australia for I'm A Celeb, has also previously worked on Saturday Night Takeaway and Britain's Got Talent.
The boys have him involved in all of their big shows.
While he keeps a low profile and doesn't crave the spotlight, he's not completely anonymous either with his Twitter biography reading, "Written all things Ant & Dec for a canny while".
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A source told the Mirror that Andy was the one who came up with the joke that Ant and Dec made during the first episode about Ant's recent rehab stint.
The article claims that while I'm A Celebrity is on, Milligan sleeps during the day and then arrives at the camp at midnight to spend more than three hours writing amusing lines for the 42-year-old presenters.
Ant and Dec then watch clips from the programme at around 4.30am, have a quick script meeting and nail all the gags by 5.30am.
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And The Mirror's article revealed that Milligan's input has been a massive help to the boys at the end of what's been a very hard year.