Dunces and Dragons

Dunces and Dragons is an episode.
 * SpongeBob SquarePants
 * Patrick Star
 * Franco (cameo)
 * Lord Planktonamor (ancestor of Sheldon J. Plankton)
 * King Krabs (ancestor of Eugene H. Krabs)
 * Squidly (ancestor of Squidward Tentacles)
 * Dark Knight (ancestor of Sandy Cheeks)
 * Princess Pearl (ancestor of Pearl Krabs)
 * Karen the Crystal Ball (ancestor of Karen)
 * Maurice
 * Lady with Maurice
 * Blacksmith (ancestor of the Tattletale Strangler)
 * Dragon Jellyfish (ancestor of the King Jellyfish)
 * Evelyn
 * Planktonamor's guards
 * Sluggo the Leech (ancestor of Gary)