When the “Joker” movie dropped to much acclaim, reviewers promptly noticed that it was conspicuously — albeit purposefully — short on laughs.

However, the internet meme machine wasn’t going to miss the chance to add its own brand of humor — by swapping out Joaquin Phoenix’s “Joker” cackle for some of Hollywood’s most famous guffaws.

Suffice to say, these A-list celebrity overdubs have social media in such stitches, you’d think the Clown Prince of Crime blasted the Twitterverse with his laughing gas.

This one featuring Seth Rogen’s stoner chortle has already spawned more than 300,000 reactions:

“Saturday Night Live” alum and “Barry” Emmy winner Bill Hader’s high-pitched giggle was similarly jarring:

However, rap queen Nicki Minaj’s swap-in might be even more terrifying than Phoenix’s original:

Ricky Gervais’ shrieking cackle was obligatory:

Samuel L. Jackson or Eddie Murphy, anyone?

And for a complete mind-melt, Harry Styles:

Of course, no re-dub recap would be complete without the ear-splitting titter of Jabba the Hutt’s intergalactic lap dog, Salacious B. Crumb.