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Corey Bennett, from Indiana in the US, has cleidocranial dysplasia - a rare genetic condition that affects teeth and bones.
Growing up, Corey was picked on by bullies who made fun of how he looked, but he was determined not to let it hold him back.
Speaking to LADbible, Corey said: "I was bullied most of my life for being short and having bad teeth and a big head.
"I have embraced this condition because it's really awesome - even with cleidocranial dysplasia I am still able to do everything."
After some encouragement from a friend, Corey decided to join TikTok where he posts videos of himself 'shoulder clapping' and opens up about life with cleidocranial dysplasia.
He hopes to one day become famous and has vowed to share 'shoulder clapping' videos until he's famous.
He explained: "I started the 'shoulder clapping until I'm famous' one day in my dorm room because I saw people doing different things with a series of days until they're famous - so, boom, there was a good way of making content until I'm famous!"
So far, it looks like it could already be paying off, because Corey's clips have gone viral picking up millions of views.
And more than that, other people with the condition have got in touch to thank Corey for raising awareness of cleidocranial dysplasia.
He added: "I've had many people with this condition reach out to me thanking me.
"I've also had lots of support from all people around the world complimenting me for sharing true body positivity."
But while most people have been positive, Corey's also encountered some trolls who send nasty messages.
"There are the people who are still rude and mean with their comments," he added.
"But I will not stop sharing it - I want to spread awareness because I know how hard it is to grow up with this rare condition.
"I will continue to make content on TikTok and spread awareness."
Stranger Things star Gaten Matarazzo also has cleidocranial dysplasia and has spoken openly about how those who have the condition shouldn't be afraid of showing it.
Speaking to Jonathan Ross during an interview back in 2016, he said: "I just want to raise awareness for it.
"And let people know that it's not something that you should be afraid of showing."
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