Merna the Merhog is a character that appears in the Adventures of Sonic the Hedgehog television series. She is an anthropomorphic merhog who lives in the grotto of Mertopia. Merna appears to look like any merhog. She is an anthropomorphic hedgehog with orange fur that covers the upper half of her face, her quills, and her ears, and light teal skin that covers her arms, muzzle, and insides of her ears. She also has three quills on the back of her head and has a yellow dress attaching to her mermaid tail with her yellow gloves and green latex in between her fingers, letting her be able to spread her fingers out freely. She also has blue eyes and red lipstick on lips.