First Appearance: Mystery Meat
Appeared in: Virtually every episode
Function: Captures and stores ghosts
Official Quote: "It's supposed to trap ghosts, but since it doesn't work yet it's just a thermos. A thermos with the word "Fenton" in front of it!" - Jack Fenton, Mystery Meat
Firefury the Gadget Expert says: "But can it keep my hot chocolate warm for hours?"

Additional Information

Ah, the Fenton Thermos, perhaps the singe most frequently used gadget in the entire series. Originally created by Jack in the first episode for trapping ghosts, the Thermos did not function until Danny apparently energized the device the first time he used it against the Lunch Lady. Since then, the Thermos has been used against the majority of Danny's opponents including Skulker, Ember, Technus, Desiree, the Box Ghost, and countless random ghosts. Heck, thanks to Jazz, Danny himself has seen the inside of this famous device.

Clearly there are now multiple Fenton Thermoses (Thermosii?), as they have been known to get smashed, lost, or otherwise taken. It stands to reason that Vlad Masters has gotten his hands on one, as we see Valerie with a chrome and red version in Shades of Gray that she can't get to work. The single most famous Fenton Thermos is now stored somewhere within Clockwork's lair, containing Danny's alternative evil future self.

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