Version: Minecraft Forge 1.12.2 14.23.5.2847
Mod Version: Emoticons 0.4.3

When I put a skull on it, it becomes invisible. if I disable the mod it works correctly.

https://user-images.githubusercontent.com/39848095/76684889-7eef2100-65dd-11ea-9179-29b91435fc4c.png

This is a common problem with player animating/rendering mods.

I have the same problem, how can I fix that?