Flash Flannigan

'Flash Flannigan was the keyboardist for the Mystery Kids. He owned the Mystery Machine and is the one who painted its design. He died years ago in an accident. The Mystery Machine was thought to be haunted by his ghost, but it was actually Susan Dinwiddie manipulating it by remote control.

Early Life
He was a member of the Mystery Kids.

Season One

 * (It's Mean, It's Green, It's the Mystery Machine)

Appearances

 * What's New, Scooby-Doo? - It's Mean, It's Green, It's the Mystery Machine flashback only