Which former professional boxer's endorsement helped transform a small kitchen appliance into a billion-dollar brand with over 100 million units sold worldwide?

Celebrity endorsements can significantly boost food product sales and brand recognition. From iconic cereal boxes to specialty cooking lines, food companies have long partnered with famous faces to promote their products. This trivia question tests your knowledge of one particularly successful celebrity-food brand partnership that changed the landscape of healthy grilling appliances and redefined celebrity endorsements in the culinary world.

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George Foreman (George Foreman Grill)
Mike Tyson (Tyson Power Griddle)
Evander Holyfield (Holyfield Health Grill)
Floyd Mayweather (Mayweather Meal Maker)