About The Team:

A group of criminals who steal high end vehicles.

Individual members typically go by their call signs based on what color jumpsuit they are wearing. Except for one member named Cassidy. Who just goes by his name.

The are lead by Red, real name Kurt Stack.

In Comics:

They first encounter Tim Drake when he attends a Gotham Heights dance.

The Speedboyz are able to elude capture thanks in part to Shotgun Smith Intervening and stopping Tim Drake in costume as Robin by ramming his car(Redbird) from behind sending it off road.

Tim Drake is eventually able to find The Speedboyz hide out and subdue them.

Eventually leader Red (Kurt Stack) gets our of Blackgate prison and recruits Cassidy and new members to join his new team of The Speedboyz. Who soon after captured by Tim Drake and Wildcat.