Sluggo Star  is Gary the Snail's father and Herb Star's brother, who is seen on the Starfish Minister's poster in the episode "Rule of Dumb."
He is a small light purple slug with a light green underside. He has yellow eyes, and black pupils as well.
At the end of the episode, the elder starfish finds a coffee stain revealing Gary to be Sluggo's son, and the true and rightful king of Bikini Bottom.
- Given that the right to become King was passed to Gary, rather than Patrick, this means that Sluggo is the older brother of Herb.
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