Which famous athlete's signature shoe line has continuously released new models for the longest time, becoming the most successful athlete-endorsed product line in history?

Celebrity endorsements have been a cornerstone of product marketing for decades, creating some of the most memorable advertising campaigns in history. Behind these iconic partnerships are brilliant marketing strategies that have shaped consumer behavior and brand identity. Test your knowledge about the famous people who have transformed product marketing through their endorsement deals and the strategic decisions behind these partnerships.

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Michael Jordan (Air Jordan)
LeBron James (Nike LeBron)
Serena Williams (Nike Court)
Cristiano Ronaldo (Nike Mercurial)