Rocky DeSantos is a fictional character from the popular television series Mighty Morphin Power Rangers. He first appeared in the show's second season as the second Blue Ranger, taking over the role from Billy Cranston. Rocky is known for his martial arts skills and his friendly, easygoing personality. In addition to his role as a Power Ranger, Rocky is portrayed as a loyal friend and teammate. He often supports his fellow Rangers in their battles against villains like Lord Zedd and Rita Repulsa. Rocky's character emphasizes teamwork and bravery throughout the series.