Mandark Astronomonov as Villains Already in the MultToonVerse - What Should Come in the MultToonVerse? Fan Cast | myCast.io
Mandark Astronomonov
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Susan "Mandark" Astronomanov is the main antagonist in Dexter's Laboratory. He is Dexter's rival and later mortal nemesis who often seeks to destroy both Dexter and his lab to prove once and for all that he is the superior genius.
Three stories and almost finishing Phase One with G.I Joe, Ninjago, and a secret sixth project, who should join my passion project, as in characters, actors, actresses, directors, franchises, and many more!
