Originally Posted by Cloaked Mystery

I don't think it is anything. It's presumably the most ancient and eldest of the stals which would explain it's immense size, sharper claws and big horns. Stallord is their presiding leader but was evidently killed. I also forgot to mention the Stalfos.

Stal Hiercarchy

1) Stallord
2) Captian Skull Keeta
3) Stalfos
4) Stalchildren