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These costumes will make you want to yell, ‘Tra La LAAAA!’ The superhero we all didn't know we needed is finally here. That's right, he's Captain Underpants! Captain Underpants is an average school principal turned comic book super hero after his students hypnotize him. Bring to life this hilarious character from the classic children’s novel series by Dav Pilkey. After the 2017 film, you can bet that kids all over the world have fallen in love with this unlikely hero again! This costume will bring a smile to Halloween, birthday parties, and more!