Watching SpongeBob as a kid, the pirate bits always grabbed me — especially the spooky, theatrical ones. If you’re asking which pirates in SpongeBob are based on real-life pirates, the honest short of it is: almost none of them are direct biographical takes. The show mostly borrows names and legends. The big recurring one is the Flying Dutchman, who shows up in episodes like 'Scaredy Pants' and 'Shanghaied' (and pops up in a bunch of Halloween specials). He’s pulled straight from maritime folklore — a ghost captain doomed to sail forever — not a historical person, though his legend feels as real as any salty sea tale.
Another name that gets thrown around in piratey contexts is 'Davy Jones' — that’s a sea-lore character popularized by lots of media, like 'Pirates of the Caribbean'. SpongeBob never does a faithful depiction of the historical Blackbeard (Edward Teach), but the show will wink at classic pirate tropes and names. Patchy the Pirate, the live-action fan-club president, is a comedic pastiche of TV pirate stereotypes more than a nod to a real pirate; he’s basically the show’s goofy human pirate fan.
So if you’re hunting for historically accurate pirates in Bikini Bottom, you won’t find them. What you’ll get is a mash-up of legends, pop-culture pirate names, and cartoon exaggeration — which is honestly part of the fun. If you want a binge route, start with 'Scaredy Pants' for Halloween vibes and 'Shanghaied' for classic Flying Dutchman chaos.