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Dr. Sileen[citation needed] is a doctor who works at Bikini Bottom Hospital. He appears in the episodes "The Lost Mattress," "Demolition Doofus" and "SpongeBob's Last Stand."


He is light emerald-green with light green lips, light yellow eyes, and black pupils. He wears a white doctor's outfit, and a matching hat.

Role in series

"The Lost Mattress"

He says that Mr. Krabs should be surgically removed from in front of the candy machine so he can get to the nutty nut bar.

"SpongeBob's Last Stand"

He is mentioned by his friend Gus.

"Demolition Doofus"

He is pushing a man in the hallway for a demolition match inside the hospital.


  • His name could be a reference to saline, which is salted water.
  • In "Demolition Doofus," it could have been a different doctor that was pushing the man on the wheelchair due to the fact that his legs, arms, fins, and lips were blue and his voice was different from his first appearance.