Captain Underpants Wiki
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The Gerbil Jogger 2000 was one of Professor Poopypants' (who later renamed himself Tippy Tinkletrousers) early inventions.

Appearance

The Gerbil Jogger 2000 has two red Ps together on a lightning bolt. It has a glass screen so the gerbil inside it can be seen. When Professor Poopypants used the Goosy-Grow 4000 to enlarge the jogger, it grew to the size of a large building.

Trivia

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