Protesters troll Trump by projecting USS John S. McCain onto London building

The UK is pushing back against Trump's visit by reminding him of his approval numbers and invoking the name of his longtime political critic.

Led by Donkeys, a group that often puts up guerilla installations protesting politicians who support Brexit, took a stance against the American president's state visit by projecting messages across various London landmarks.

Most notably, the group projected an image of a red baseball cap with the American naval ship the USS John S. McCain onto Madame Tussauds in London.

In May, a U.S. Indo-Pacific Command officer instructed Navy and Air Force officers to keep the ship to be "out of sight," thanks to White House orders. Trump denied having any involvement.

The late senator often criticized Trump, and the president wasn't invited to his funeral. Led by Donkeys reminded the president of the ship's existence, anyway.

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The group projected a comparison of Trump and former president Barack Obama's approval numbers onto the Tower of London.

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On the Big Ben, Led by Donkeys projected an interview of Boris Johnson, where the Brexit-backing member of Parliament criticized Trump as portraying a "quite stupefying ignorance" that makes him "unfit" to be president of the United States.

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Finally, the group put up billboards across the city featuring critical tweets from other members of the Republican party.

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All in all, this is some grade-A trolling from the British. It isn't the first time the UK welcomed Trump with some healthy tongue-in-cheek protests. Last July, a man flew a giant baby Trump blimp of the president in the midst of a tantrum over London just in time for his visit. The massive infant is scheduled for a number of protests during this visit as well.