[[WMG: The following characters/people are [[Webcomic/GirlGenius Sparks]].]]
* [[Comicbook/IronMan Tony Stark]]
* [[Series/MythBusters Adam Savage and Jamie Hyneman]]
* [[Literature/{{Discworld}} Leonard de Quirm]]
* [[WesternAnimation/AvatarTheLastAirbender The Mechanist]]
* [[Literature/ArtemisFowl Foaly]], Opal Koboi, and quite possibly Artemis himself
* [[Literature/TheStrangeCaseOfDrJekyllAndMrHyde Dr Henry Jekyll]] (of a more Mad Chemist variety)
* [[VideoGame/{{Portal 2}} Cave Johnson]] (come on, he created a device that connects two points in space with a wormhole - while attempting to design a shower curtain)
** He just took after his ancestor, [[Literature/{{Discworld}} B.S. Johnson]].
*** [[FridgeBrilliance That made so much sense...]]
*** Who's to say B. S. Johnson wasn't himself a Spark?
* [[WesternAnimation/WallaceAndGromit Wallace]]
* [[TransformersAnimated Professor Isaac Sumdac.]]
* [[Webcomic/GunnerkriggCourt Kat Donlan.]]
* [[LoveHina Kaolla Su]]
* [[TheMuppetShow Dr. Bunsen Honeydew]]. Poor old [[ButtMonkey Beaker]] has classic Minion syndrome.
* ''WesternAnimation/KimPossible'': Dr. Drakken, Wade, and possibly Ron (based on his evil side), and Kim's little brothers. Kim is currently channelling her Spark in more athletic ways, but when she breaks through, she'll make her foes look like amateurs.
* [[Series/DoctorWho The Doctor]], and also The Master.
** Zoe Heriot.
* [[Anime/CodeGeass Lelouch]], whose capabilities with planning are borderline precognitive.
* UsefulNotes/NikolaTesla
* [[WesternAnimation/PhineasAndFerb Phineas]]
* [[Comicbook/{{Spiderman}} Doctor Octopus]]
* [[VideoGame/MassEffect2 Mordin Solus]]
* [[SonicTheHedgehog Doctor Robotnik]]
* [[Literature/CharlieAndTheChocolateFactory Willy Wonka.]] [[TwoWordsObviousTrope Nuff said.]]
* [[WebVideo/DoctorHorriblesSingAlongBlog Doctor Horrible]]
* [[Webcomic/ElGoonishShive Tedd Verres]]. Obviously.
* [[VideoGame/TeamFortress2 The Medic]] and maybe the Engineer, too.
* [[Webcomic/SluggyFreelance Riff]]. He even has notes.
* [[Anime/{{Bleach}} Aizen Souske]]. Possibly Urahara as well.
* [[HarryPotter Arthur Weasley]]. He created a semi-sentient, flying car even though he had a very sketchy understanding of muggle technology.
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