Calvin Maxwell, Yellow Ninja Steel Ranger

Name: Calvin Maxwell
Ranger: Ninja Steel Yellow
Actor: Nico Greetham
First Appearance: “Return Of The Prism”
Last Appearance:
SentaiShuriken Sentai Ninninger
ProducerSaban & Nickelodeon

Character Bio

Calvin is an ace mechanic and is constantly improving his favorite truck Nitro. He is also the boyfriend of Hayley Foster, the White Ninja Steel Ranger. After pulling the Yellow Ninja Power Star from the Ninja Nexus Prism, Calvin becomes the Yellow Ninja Steel Ranger. It is later revealed that Calvin had an irrational fear of driving due to a childhood trauma. However, Calvin is able to face those fears and get his drivers license after saving his friends by driving the Mega Morph Cycle out of a monster. Calvin is shown to be a bit forgetful shown when he forgets to compete in a race while working on a car and forgetting to pick up Hayley on his way to school.

Ninja Power Star

Yellow Ninja Power Star
The Yellow Ninja Power Star is the personal Power Star of the Yellow Ninja Steel Ranger. Calvin pulls out the Yellow Ninja Power Star from the Ninja Nexus Prism during an altercation with Ripperrat.


Nitro Zord
The Nitro Zord is a yellow truck-like zord that is piloted the Yellow Ninja Steel Ranger.


Ninja Star Blade
The Ninja Star Blade is the standard melee weapon for each Ninja Steel Ranger.

Ninja Blaster
The Ninja Blaster is the standard sidearm for each Ninja Steel Ranger.


Voiced By: Andi Crown
The Ninjacom is a smartwatch-like device that is used by Calvin as a communication device.


Nitro is Calvin’s prized pickup truck that later becomes his personal vehicle after obtaining a license.

Mega Morph Cycle
The Mega Morph Cycle was created after combining a Ninja Power Star with a street bike put together by Calvin.


Ninja Training Suit
Calvin wears this Training Suit when training and improving his ninja skills.

Ninja Master Mode
Calvin can activate this mode while piloting the Ninja Steel Megazord.

Ninja Super Steel Mode
Calvin can activate this mode in order to boost the power of the Ninja Steel Megazord.