Dr. Preston Zadminix

Dr. Preston Zadminix is a mad scientist who is currently the main antagonist in FutureSponge!. He is enemies with SpongeTron, Patron, and SquidTron and often fights them, although he always loses. He first appeared in "The Time Machine," the series' pilot episode.
==Appearances==
*"The Time Machine" - debut
*"Everything is Chrome in the Future" - mentioned
*"Zadminix Returns"
*"Court Futrial"
*"The Final Straw"
*"Moon of Mercury"
*"SquidTron x SquilTronvia"
*"The Fetus Felon"
==Trivia==
*His first name, Preston, was revealed in "Court Futrial."
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