All characters

Sylvester Dodd

Played by: Ari Stidham in Scorpion

Sylvester is a genius mathematician and statistician who also is a highly sensitive person and struggles with OCD and anxiety. Sylvester is a grandmaster at chess. He has a fear of germs and airplanes. It is implied he has feelings for Megan, Walter's sister, who has multiple sclerosis. In the episode "Going South", it is revealed that Sylvester and Megan have indeed started dating.