If you're a fan of both Minecraft and sci-fi horror show Stranger Things (and I imagine there's a fair bit of crossover) then you're in luck: the two have teamed up to bring the series' characters into the block-based sandbox.
All the main characters from season one and the newly-released season two of the quirky, retro drama are depicted in an official skin pack, which you can buy for £2.50/$3 on the Minecraft marketplace—it's only available to those with the Windows 10 version of the game.
The pack contains nearly 50 skins, including lots of '80s-style outfits and two get-ups for the show's monster that look particularly great: in one it looks like it's casually popping round the corner to the shops, in the other its multi-directional mouth is fanned wide ready to munch on some humans. You can view them all on the official Minecraft site (opens in new tab), but if I were you I'd wait until after you've binge-watched the latest season to avoid any spoilers (there's only so much you can glean from a character skin, but it's best to be safe).
The idea of buying an add-on to Minecraft feels odd to me but I guess it's cheap enough to consider, especially if your a huge fan of the show. If you're still using the Java version of the game, there are a bunch of free fan-made Stranger Things skins that you can find here (opens in new tab).
I've been searching around for Stranger Things maps or mods in Minecraft, and although there's nothing directly related there is a horror mod "inspired" by the TV show (opens in new tab), which seems to be getting some decent feedback.