Dos Equis Costume! We came in first place with this one! Dos Equis is bringing back the popular ad campaign due to declining sales. He's back! Dos Equis has brought back The Most Interesting Man in the World, reigniting his spark to inspire a new generation to Stay Thirsty for experiences. Played by the original actor, How do you enjoy your @dosequisnaked or dressed? Whether you're cracking open a cold can and sipping as is or going the extra mile with lime and salt on the rim, Dos Equis