|“Hello, Zane. You were built to protect those who cannot protect themselves. You were always the son I never had. It's time you begin your next stage in life. And the only reason I'm about to do this is because I love you.”|
|— Dr. Julien to Zane|
Doctor Tinkerer Julien was an inventor who created several impressive robots.
- He has the same hairstyle as Ed and Griffin Turner, though a white color.
- Dr. Julien told Zane that he never programmed him to cook, but Zane's memories show them cooking a soup together (though likely, it's possible Zane picked it up as time went on).
- The prison tower Dr. Julien was imprisoned in is covered in "tally marks," indicating Julien spent an incredibly long amount of time trapped in the the Lighthouse. While imprisoned, he read a lot, especially adventure stories.
- In the credits in the first and second seasons, he was called "Tinkerer."
- He does not mention that he recognizes Wu in, despite them meeting for the first time in a flashback.
- He resembles Ed Walker, as they are both inventors and they also share the same hairstyle.
- Main article: Tinkerer Julien/Gallery
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