How Hero the hedgehog stole the show at the athletics
14 August 2017 Last updated at 14:22 BST
Forget the likes of Usain Bolt and Mo Farah, because Hero the hedgehog completely stole the show at the World Athletics Championships in London this month.
Not only did he win the hearts of the public with his funny antics, but the athletes took quite a shine to him too.
Here are some of the best bits from Hero's fun two weeks in London.