Image description: Two images. The top image is of a sign for a "Back to the Bible Holiness Church*" that reads "God created man & woman Satan made gays and transgender gen 5:2". The bottoms image is of a women sitting on a porch wearing sunglasses, dark clothes, and smoking. The caption reads "Praise Satan."
The only specific evil things he does according to the bible is everything that happens to Job, which he does with god's blessing. Even if he were real the bible doesn't do a good job painting him as evil to the point of it sounding an awful lot like nothing more than slandering a political enemy.
What's wrong with devils? The worst thing Satan did (in God's eye anyway) was ask for more power because he was jealous of humans. That's what got his ass sent to Hell.