Nightterror, also known as Grimfaust; sonofEA; or Dukewuff, is an American bara furry artist. He is most known for his Strong Boys image series of bara anthros and orcs exercising, as well as being commissioned by popular furries in the bara community.

He used to be more active, however in 2020 his association with MAGA and Qanon became more widely known and he lost a lot of regular commissioners and followers.