This won’t be the first time that Hamill has voiced a character in the SpongeBob SquarePants franchise. In season 5, episode 8, “Night Light” (the second segment), Hamill voiced The Moth.

Princess Mindy in 2004's The SpongeBob SquarePants Movie. The Moth from the "Night Light" episode in season 5. Madame Hagfish from the "The Curse of the Hex" episode in season 7. Don Grouper from ...

Hamill has made a minor appearance in SpongeBob before as one of Mermaid Man's arch-nemeses, The Moth, in an episode called Night Light. The character appears a few more times throughout the ...