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"El Loco," meaning "The Crazy One," is one of Martinelli's nicknames. It encapsulates his unique and eccentric personality both on and off the pitch. Martinelli's unpredictable style of play, characterized by his skillful dribbling, audacious shots, and relentless energy, has earned him this moniker. His nickname not only reflects his footballing abilities but also highlights his vibrant personality and passion for the game, adding to his popularity among fans.