Black Knight

https://vignette.wikia.nocookie.net/scoobydoo/images/6/62/Black_Knight_%28What_a_Night_for_a_Knight%29.png/revision/latest?cb=20130503034803

GALLERY
https://villains.fandom.com/wiki/File:Monsters.PNG

https://villains.fandom.com/wiki/File:Black_Knight.PNG

https://vignette.wikia.nocookie.net/lego/images/6/61/75904_Black_Knight.PNG/revision/latest?cb=20150125141112

https://vignette.wikia.nocookie.net/scoobydoo/images/f/f5/Black_Knight_%28Knight_Time_Terror%29.png/revision/latest?cb=20151126023357