Susan Dimwittie is the mother of a family that was once involved in the music business. She has short blond hair and is quite attractive. She is ruthlessly ambitious for her children's music career. She wanted to bring back her kids' band, the Mystery Kids so she decided to control the Mystery Machine so Andy & Mandy would be bigger than ever. However, she ended up somewhat neglecting her other kid, Randy, in the process.

Susan Dinwiddie is busted