* Bellatrix Lestrange is a loyal follower of Voldemort. She is a powerful witch who is not afraid to use her dark magic to hurt others.
* Barty Crouch Jr. is a Death Eater who was responsible for the murder of his father. He is a skilled Occlumens and Legilimens, and he is able to use his dark magic to control others.
* Peter Pettigrew is a Death Eater who betrayed Harry Potter's parents to Voldemort. He is a weak and cowardly wizard, but he is still dangerous because of his loyalty to Voldemort.
* Severus Snape is a complex character who is not purely good or evil. He is a skilled Potions master and a powerful wizard, but he is also capable of great cruelty.