Dr. Two-Brains is a villain in WordGirl, voiced by Tom Kenny. Originally known as Professor Steven Boxleitner, a kind-hearted but distracted scientist, he was turned into the evil Dr. Two-Brains as he was preparing for an experiment that would enable people to read the minds of rodents. He is equivalent to Two-Face from Batman. Althougth his age is unknown, it is presumed that he is between 20 to 30 years of age.