Crystal Dave is a fish who appears in the episode "There's a Sponge in My Soup."


He is a light green fish with purple hair and a purple mustache. He wears a dark green shirt and blue pants. His hair is kept in a ball on top of his head by a rainbow headband. He also wears a gold necklace with a diamond hanging from it.


He is hanging around the heat behind the Krusty Krab until Mr. Krabs tells him and his friends to leave since Mr. Krabs hates the hippies. He goes into the Krusty Krab kitchen and finds the soup vat, which he promptly jumps into so he can stay warm. Along with his friends, he bothers the customers, Mr. Krabs, and SpongeBob. He eats the food SpongeBob puts into the soup and bothers the customers via their soup bowls. Mr. Krabs and SpongeBob try to fish out the hippies using a beaded bag, but Crystal Dave and Moon Gills manage to get it into the soup. Mr. Krabs, Squidward, and SpongeBob then attempt to almost lure them out with a drum circle, but the Krusty Krab employees can't keep the drums going long enough. SpongeBob is sent into the soup to get the hippies out, but he becomes a hippy himself. At the end, Crystal Dave is sent to Squidward's bathtub to keep warm.