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Major Parker: Why did you do it Castle? Why did you turn your back on our country?
Castle: Ha! You have any idea how much Dread is paying us?
~ Colonel Jasper F. Castle reveals his true nature.

Colonel Jasper F. Castle is an antagonist from the 2013 Max Steel reboot TV series, being the central antagonist in the episode "Uncle Sam Wants You!". He pretended he wanted for Max Steel to join and help the United States Army fight off the forces of Miles Dread. However, it turned out that Castle was working for Dread all along and had a plan to trap Max Steel so that he can receive money.

He was voiced by Lee Tockar.


In his first appearance, Castle displays pride as a colonel and cared about doing what is right. However, it turned out Castle is motivated by money and is greedy. He did not care that he violated oath and ethics to ally with Miles Dread and wanted to see Max Steel get defeated by Dread.


Castle was very charismatic and friendly to Max Steel when he first met him. He saw some potential in him to join the army. He knew about the secret Commander Forge Ferrus held from Max McGrath and wanted to use it to persuade Max to join his side. He also appeared to be very noble, honorable and proud to be apart of the United States Army. However, it turned out that Castle only cared for the money he can receive if he can hand over Max Steel to Miles Dread. Some of his own men were shocked about this and were angry that he was working with Dread for his own personal gain. When he was confronted by one of his men for his treachery, he had no care for what they thought of him. He was only concerned about his own safety in the fight and Max Steel's defeat so that he can get money from Dread. However when the plan failed, Castle was caught by his own men and N-Tek and he had his badge removed.


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Miles Dread | Jason Naught | Extroyer | Toxzon | Makino (2013 TV series) | Morphos | Mortum | Terrorax | Elementors (Fire, Earth, Water, Air, Ultimate, Metal) | Blast Link | Prism Link | Chomp Link | Night Howl | Snare | Monstro | Ultralinks | Dwayne | Axel | Toxoids | Murakami | Colonel Jasper F. Castle | Avatak | Plaztek | Psycho

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