Crystal is the main female protagonist of Scooby-Doo and the Alien Invaders. She is a government agent from another planet posing as an Earth government agent/photographer, and Shaggy Rogers' love interest. She was using cool lingo that Shaggy could appreciate; she also dressed in a 60's hippy style.
Crystal has long chest-length shiny, raven black hair and brown eyes and wears an orange blouse and headband. She also wears jean bell bottoms, a peace sign necklace, and a camera around her neck.
In her alien form, she was slightly taller and has a bulbous head along with a hourglass figure. Her body was light blue and was composed of fluid and bubbles. She had 3 fingered hands and toeless feet. Instead of having her brown eyes, she has black eyes.
Crystal is a Sweet, Charismatic, Curious, Stubborn, Laid back girl. and has the same kind of hippie lingo like shaggy. saying "Groovy" and "Like"
Powers and Abilities
Crystal and Amber both had super strength. Finally, they both had a image changing device made to look like a peace sign pendant that gave them the ability to swap between their disguises and true form.
Crystal and her golden retriever, Amber, found Shaggy Rogers and Scooby-Doo in the desert. She shared water and helped them return to the town. Her jeep was full of the tools of her trade. Crystal and Amber helped defeat the S.A.F crew and revealed there true identity in the process. They admitted to having tricked Shaggy, Scooby and the rest of the gang into thinking that they were human also admitting that they were on a secret mission. But the gang understood and said their goodbyes and they left.