Diane Jackson is the evil twin sister of Dr. Danielle Jackson.
Physical appearance[]
Diane is a young adult woman, with blonde hair, scar makeup and red lipstick. She wore a flower headdress, a necklace, bracelets and a long grass skirt which was used for her disguise as a tribal king
Personality[]
She's a clever planner, and his her true intentions as a protector for the Fountain of Youth, trying to keep a positive demeanor when giving Scooby and Shaggy a chance to stay.
History[]
YCSD[]
She made-up the phony curse of Atlantis and the disappearances to scare people away from the Bahamas and discovering her secret smuggling operation of seafood. She also hired backup for assistance in pretending to be a tribe of warriors, her being the king, to capture any intruders that end up getting close and tie them inside a cave, that being Fred Daphne and Velma after getting launched away from a vortex created by the Ghost of King Neptune.
She later had Shaggy and Scooby captured after her henchmen caught them first while they were being chased by a group of armed guards. And pretended that they were the chosen ones after bringing them back to the tribe village and secretly planned on putting them to sleep after feeding them seafood with sleep sauce. It ended up not working do to "tummy power" and then resisting the wish to stay on the island forever, and chased after them when they ran, only for it to lead them to the cave where her seafood smuggling ring and their friends were discovered.
Afterwards, she revealed herself and confused the gang for a second thinking she was Danielle, then her actual sister arrived with the armed guards, arresting her and her hired help.