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The Brownlee brothers are famous for their Olympic medals, but did you know the triathletes were bullied when they were younger?
Jenny sat down with the boys to talk to them about being different as a kid and the importance of sticking up for each other.
The boys had some pretty good advice on how to deal with bullies, too. Take a look.
Bullying in Minecraft can be a problem when you want to play online with your friends.
Griefing is a type of bullying that can happen in the game, and can take place on multi-player games online.
It's when someone damages a person's buildings, sets harmful traps, or steals all of their items on purpose, just to be mean.
Top Minecraft Youtuber Stampy gave us his top tips to avoid being griefed in Minecraft, as well as knowing the difference between playing a prank, and bullying someone.
Dame Sarah Storey has won more medals than any other female Paralympic athlete in history.
But despite her incredible talent, she was badly bullied at school.
As part of national Anti-Bullying week, Sarah shared her story with Newsround's Martin.
Press play to see her full interview and hear her top tips on how to overcome bullying.
If you need support or help to deal with bullying CBBC has lots of information.
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