Endertainer Rig is a customizable Minecraft character rig library. It provides base content including a standard character preset and fundamental rig modules. The package also includes extra content such as Anthro (canid) and Takai character presets, additional rig modules, and a variety of shader node groups for the iris, mouth, and other effects. Furthermore, the library contains cosmetic assets like armor and various body parts, alongside a dedicated pose library asset.