Margo (Earth-1: Pre-Crisis)

Margo was a friend of Thea Queen.

Biography
In 2012, after Oliver Queen returned from the island she was at Thea's room crushing some pills until Oliver entered the room, and she hid it before leaving. Later, she attended Oliver homecoming party and tried to obtain drugs from Thea only to find out that she must have "dropped it".

She has planned with Thea to go to the mall after school, but Thea was grounded by her mother.