Aunt Tonzo is a character featured in the Muppet Babies storybook "What's a Gonzo?"

She is Zonzo's aunt and an astronaut. She meets Baby Gonzo while hanging upside-down to practice eating in space. She helps Gonzo on his quest to figure out what he is. She has traveled zillions of miles through the galaxy, she concludes that Gonzo is not a babbling blue-eyed beast from the planet Bingo.

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