Pinterest is filthy with elaborate, homemade Halloween costumes based on classic SNL characters. But creation requires effort and imagination. Save yourself the trouble with some admittedly lame but readily available costumes that you can buy from Amazon and pop-up Halloween superstores. You just might get a laugh — not the right kind of laugh, but a laugh nonetheless.

1 More Cowbell Guy

Less Blue Oyster Cult and more roadie for Dr. Teeth and the Electric Mayhem, this knotted mess of curls will transform you into a cowbell player. Check for bedbugs before attaching to face.

2 Plus-Sized Spartan Cheerleader

Will Ferrell + Chris Farley = Halloween madness.

3 Garth

For sheer laziness, this one takes the cake. Lose the glasses and you’re Season 49 host Sydney Sweeney!

4 Alien Cone Bald Head

Unlike many other online costumers, the good folks at Skeleteen are wary of a litigious Lorne Michaels. But if you want to be a Conehead,...