male
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.
Mandark Astronomonov
Transmasc (Headcanon)
for Transmasc (Headcanon) in Gender Is An Illusion
Suggested by dynastiprimosfan
also for the record. jkr can go die in a hole
