Though Minecraft can be played through its official launcher, there are multiple websites created around providing all kinds of mods and packs for the game.

EMF allows model-related resource packs to work even without OptiFine (Image via CurseForge) Entity Model Features is a Fabric, Quilt, and Forge-compatible mod that adds support for Custom Entity ...

You're officially an expert on modding Minecraft: Java Edition and, more specifically, how to add Herobrine. I chose two different mods for you, but don't shy away from playing with other mods ...