It looked like a swamp monster.
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Powers and abilities
No unusual powers were demonstrated other than the strength it took to burst through a shingled roof.
Scooby-Doo (DC Comics)
After his brother Gary's restaurant was damaged by a hurricane, he hoped Gary would quit and turn their mother's recipes over to him, especially the ones for gumbo and cornbread. When that didn't happen, he dressed up as the Bayou Beast to try to force Gary to quit.