Jasson Dominguez is called "The Martian" because of his extraordinary talent and athleticism that seem out of this world. The nickname "El Marciano," which means "The Martian" in Spanish, originated from someone in his home country of the Dominican Republic who was so awestruck by his abilities that they said he was not from this earth. This otherworldly moniker stuck with him throughout his rise as a baseball prospect. Dominguez himself embraces the nickname, reflecting how his remarkable skills and physical power appear almost alien compared to typical players. This nickname highlights his exceptional combination of speed, power, and skill that has drawn comparisons to legendary players and made him stand out as a uniquely gifted talent in baseball.