I spent a few more hours cleaning up and synthesizing old public domain sources to try to find some more "evil" monsters for speedstar, to try to fill up the user's request. This is the horned face of a devil or some sort of hellbeast.
惡魔臉
demon、devil、evil、horns、horror、monster、Monsters and Heroes、Relationship、Satan、Skulls
惡魔、魔鬼、邪惡、牛角、恐怖、怪物、怪物和英雄、關係、撒但、頭骨
資料來源：openclipart ( https://openclipart.org/ )