Velma Dinkley from Scooby-Doo.
Velma Dinkley is a fictional character in the Scooby-Doo franchise. She is prone to losing her glasses. She is usually seen wearing a baggy orange turtleneck, short pleated skirt (or in later episodes an A-line skirt, or sometimes shorts), knee socks, and Mary Janes. She is seen as the brain of the group.