Ex-WWE Villian
Slams Bullies
With First Children's Book
Exclusive
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Pro wrestler Kenn Doane knows a lot about being a bully -- he played one as a former WWE star -- and now he's using that experience to write his first book ... about kids and bullying.

Doane -- known as Kenny Dykstra in his WWE days -- tells TMZ, he decided to become an author while rehabbing a knee injury suffered last month ... and wanted to address the topic of bullying.

The former tag team champ must be a badass with the pen ... because he's already lined up a publisher for "Billy's Bully" -- which shows one kid standing up to his tormentor, and teaches kids how to avoid becoming a bully.

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According to Doane, his publisher hooked him up with illustrators and another author to put the finishing touches on the book -- and it should be released sometime in June.

Between Kenn and CM Punk, it's a positive week for wrestlers.