The famous Christmas tune Santa Claus Is Coming To Town said that Father Christmas will know who's been naughty and nice.
And now we know for sure because a survey has deduced this year's naughtiest and nicest kids names in the UK.Kent Live reports that school rewards provider School Stickers took the survey, now its 11th year, and looked at 27,000 schoolkids throughout the country.
A spokesperson for the company said: "Our much-loved ‘naughty and nice’ list has become a Christmas tradition.
"It’s obviously just a bit of festive fun, but people do seem to like to see each year whether their name has made the list."
So which names made it onto the list and in what category did they fall?
Here's the full list:
Naughtiest girls' names
Naughtiest boys' names
Nicest girls' names
Nicest boys' names
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