So ardent was the bromance between former President Barack Obama and Vice President Joe Biden that the "barackandjoe" Twitter account is a thing.
If you have time to kill and need a chuckle by way of photos of Biden pointing at stuff or smiling cheekily complete with clever captions, check it out - or just search the hashtag #JoeBidenMemes.
And now there's one more, contributed by Obama himself, to celebrate Biden's birthday. The post had been liked, retweeted or commented upon more than 1 million times.
It's more than Twitter can take: