Billy Cranston

Billy Cranston is a fictional character in the Power Rangers universe. He is the Blue Ranger (triceratops) in the series Mighty Morphin Power Rangers, and was portrayed by actor David Yost. Billy is the only original Power Ranger to remain for the entire MMPR series, and is the second longest-serving Ranger overall behind Tommy Oliver. Until his departure, he was considered the brains of the Power Rangers team, creating many gadgets with which to solve problems that not even Zordon foresaw, and he even invented the first team's wrist-worn communication devices. A reimagined version of Billy appears in 2017 reboot film, played by actor RJ Cyler. Character history Television Mighty Morphin Power Rangers Billy was one of the five "teenagers with attitude" selected by Zordon to become the original Power Rangers, along with Jason Lee Scott, Zack Taylor, Trini Kwan and Kimberly Hart. Billy became the Blue Power Ranger and was given both the Triceratops Power Coin and the Triceratops Dinozord.