Cindy Mac Mackenzie (Tina Majorino)Cindy Mac Mackenzie is Neptune High Schools resident computer whiz and her nickname is derived both from her last name and the fact that she favors Apple products.Veronica enlists Mac and her hacking abilities to crack cases both for her dad and on her own cases at school . The friends joke that Mac serves as the Q to Veronica's James Bond.Mac definitely marches to the beat of her own drum. She is neither wealthy nor poor so she doesn't align with any particular group at school, instead aligning with Veronica and Wallace.She is smart, somewhat shy, has an offbeat fashion sense, and a smart and sassy sense of humor which belies a sensitive soul.