Which celebrity's genuine use and endorsement of Old Spice in 2010 led to a reported 107% sales increase and dramatically shifted the brand's customer demographic within just six months?

Celebrity endorsements have become a cornerstone of modern marketing strategies, with brands paying millions to secure famous faces. But how effectively do these partnerships actually build brand loyalty? This trivia poll explores a fascinating case study of a celebrity whose authentic product endorsement dramatically transformed consumer behavior and created unprecedented brand loyalty in an unexpected demographic.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Isaiah Mustafa (The 'Old Spice Guy')
Terry Crews (Old Spice 'Muscle Music' campaign)
Dwayne 'The Rock' Johnson
Neil Patrick Harris