Billy Cranston is a character from Mighty Morphin' Power Rangers and Power Rangers Zeo.

He is portrayed by David Yost.

Billy is the original Blue Power Ranger and was considered the brains of the group. He is the second longest-serving Power Ranger behind fellow ranger Tommy Oliver

Ranger Forms

Fire Rebellion Storyline

Fire Rebellion: Season 9

Billy will appear in Season 9 to work on the heroes equipment.

Fire Rebellion: Season 10

Fire Rebellion: Season 12

Billy first appeared when the Power Chamber was attacked by Rabia. After the Power Chamber was destroyed, he was extracted by Carter for medical assistance.

Ranger Key

TriceraRanger Ranger Key
The Mighty Morphin Blue Ranger Key is Billy's personal ranger key. It is among the many ranger keys lining the walls of the Command Center. This key is mainly used by Noah Carver (Super Megaforce Blue) to fight as the Blue Mighty Morphin Power Ranger.