A lot can happen in happen in 24 hours. Don't believe us? Try explaining to someone from just two days ago why a photo of Dave Grohl boasting the caption "I have been a leader on fertilization" is one of the funniest posts ever to hit the Twitterverse. 

Fortunately for us, we don't need a time machine to know exactly why these tweets — ones spanning last night's Presidential debate, Springfield's baseless taste for pet cats, and, of course, transgender aliens – are absolutely hilarious.

From former President Donald Trump's neckussy, to gay Twitter salivating over moderator David Muir, and the Foo Fighters' frontman having yet another confession to make, here are the 50 funniest memes and tweets from the past 24 hours.