Dexter is a bit short, although somewhat larger than in his original appearance. He has ginger curly hair with some spikes at his crown and a short mullet. He still wears his semi-circular glasses. but it is revealed that he has blue eyes. Most of the times he is seen wearing a white lab-coat, the top half buttoned while the bottom is left unbuttoned. Underneath he wears a normal black shirt. He wears blue pants and are stuck into his black boots. In addition to that he also wears purple gloves. In his school uniform he still wears the same only his white lab shirt more open.
Dexter is a supremely brilliant boy with a vast knowledge of all sciences. Though American, Dexter speaks in a Russian accent. However, Dexter also possess a massive ego and hate all things stupid. He also has a crush on Blossom.