Gretchen is a recurring villainess in Camp Lazlo. She was voiced by Jill Talley, who also voiced Ms. Mucus, Rita Loud in The Loud House, Nina Neckerly, and Karen Plankton in SpongeBob SquarePants.
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Gretchen is a recurring villainess in Camp Lazlo. She was voiced by Jill Talley, who also voiced Ms. Mucus, Rita Loud in The Loud House, Nina Neckerly, and Karen Plankton in SpongeBob SquarePants.