Jet Jack

Jet Jack is a female Dragon Hunter who flies with a Jetpack.

Iron & Stone
She questioned the Ninja alongside Iron Baron, asking that if they were alone, then who did the diapers they found belong to, to which Kai replied that they were Jay's.

Radio Free Ninjago
While sitting at a campfire with her fellow Hunters, she was among those that explained to "Rocky Dangerbuff" and "Dangerbuff Jr." about why Iron Baron is desperate to find the Firstbourne.

Lessons for a Master
After realizing that Iron Baron wanted the Dragon Armor for himself, Jet Jack and the other Hunters free Faith and the Ninja and they go search for him and Wu, only to return without them before Firstbourne soon appeared with Wu, wearing the armour. Jet Jack questioned how Wu was riding the dragon without chains before Faith tells her he didn't need any.

Season 9: Hunted

 * 86. "Iron & Stone"
 * 87. "Radio Free Ninjago"
 * 88. "How to Build a Dragon"
 * 90. "Two Lies, One Truth"
 * 91. "The Weakest Link"
 * 92. "Saving Faith"
 * 93. "Lessons for a Master"

Trivia

 * Besides background characters, she is the third Ninjago character to have a mohawk, the first being Eyezor and the second being Mohawk.
 * She is also the only female character in Ninjago to have a mohawk.
 * Her name is a play on the flying machine "jetpack."
 * She also uses a jetpack.
 * In the Season 9 Intro, Jet Jack is seen with male Dragon Hunter eyes for unknown reason.
 * She appears to have had a rivalry with Heavy Metal for Iron Baron's favoritism.
 * She was a limited edition figure in Issue 40 of Ninjago Magazine releasing on August 8.

Gallery
Jet Jack