Ye Black Knight resembles Le Inspector just a bit, as most of Pinky's protagonists do.
Pinky has a switch blade sword, which also might have been an early inspiration for the Star Wars light saber.
King Arthur's fellow knight (and relative) Mordred has gone into the used steed business, at least in this short.
For a brief second early on, the captured princess shrieks, "Help!" After that, she only screams.
Pinky's nemesis, the uncooperative steed, makes another appearance here.