Black Knight ghsot

https://vignette.wikia.nocookie.net/scoobydoo/images/5/51/%28Scooby-Doo_Monsters_Unleashed%29_Black_Knight.jpg/revision/latest?cb=20110722023453

GALLERY
https://villains.fandom.com/wiki/File:4396831256_dd871707f6.jpg

https://vignette.wikia.nocookie.net/scoobydoo/images/2/2e/SD2PnGkostium.PNG/revision/latest?cb=20171226122312