Felicity Smoak

Felicity Smoak is the tritagonist of the CW television series, Arrow and a supporting character in the spin-off series The Flash. She was a former member of Team Arrow who usually acted as the team's science expert. She is the wife of Oliver Queen, the sister-in-law of Thea Queen and the mother of Mia Queen, as well as the step-mother of William Clayton, best friends with John Diggle, the best friend and ex-girlfriend of Ray Palmer, and close friends with Iris West, Laurel Lance, Cisco Ramon, and Caitlin Snow.