Johann Defay

Johann Defay is not mentioned in either of the provided news articles. The articles primarily cover topics such as figure skating training, Ukrainian athletes at the Paralympics, Kylian Mbappé's health, esports, summer body preparation, French athletes' aspirations for the 2030 Games, and the Saut Hermès equestrian event. Without any mention of Johann Defay, it's impossible to provide any information about their background, current newsworthiness, recent events related to them, or their current relevance or significance based on the given context. Therefore, I cannot create a summary about Johann Defay using only these articles.