Judge Stickleback is a middle-aged judge who only appears in the episode "Krabs vs. Plankton." She is a fair Judge that is shown to get sort of emotional, but only when Plankton told his story about his Gram-Gram, which was probably a Trick to get the Jury on his side. She sat at a wooden Judge desk, and she asked Plankton and Mr. Krabs questions about the case of Plankton falling because there wasn't a wet floor sign.
Though her body is not shown, Judge Stickleback is a light turquoise fish that appears to have grayish-violet hair that is not very long. She is seen wearing glasses and a black robe.