He’s known for his outrageous behaviour on Twitter , and now Elon Musk has changed his picture on the platform - to a sheep.

The Tesla CEO changed his avatar on Wednesday to a huge ram, which may look familiar to some people.

The ram is the ‘absolute unit’, made famous by the Museum of English Rural Life last year after it garnered more than 100,000 likes.

But what does that have to do with Elon Musk?

Well, Musk tweeted an image of the sheep in response to a post by MIT Technology Review about the world’s biggest airplane, which they also dubbed an ‘absolute unit.’

And he clearly found his own joke funny, even making the sheep his profile picture.

(Image: Splash)

Now, the Museum of English Rural Life has hilariously responded to Musk’s photo, by changing its profile picture to a photo of Musk.

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The museum even tweeted: "Can we put a sheep into space in a car now please it's 2019."

I must admit that an exchange between Elon Musk and the Museum of English Rural Life wasn’t something I saw coming - but I’m fully here for it!