"You thought an imp was a cute little dude in a red suit with a pitchfork. Where did these brown bastards come from? They heave balls o' fire down your throat and take several bullets to die. It's time to find a weapon better than that pistol if you're going to face more than one of these S.O.B.s." ― Doom instruction manual
This LoRA was trained on various fan-arts and game assets. Check the Civitai page for this model for the list of artworks used for training.
https://civitai.com/models/82776/classic-doom-imp