Griff's gang
From Futurepedia, the Back to the Future Wiki
Griff Tannen's gang consisted of three members of similar age: Chester "Whitey" Nogura, Rafe "Data" Unger, and Leslie "Spike" O'Malley. O'Malley was the first in his lineage to allow a female into his group.
They assisted Griff in convincing Martin McFly Jr. to help them rob the Hill Valley Payroll Substation, but backed away when he was caught in the act.
When Marty McFly intervened, he said no and resisted Griff and the gang. This led to a hoverboard chase around Courthouse Square very familiar to Old Biff Tannen. They trapped Marty over a manmade lake in front of the courthouse and they hooked onto Griff's Pit Bull hoverboard. Griff and the gang zoomed towards Marty but he jumped clear of Griff's bat and they hit the edge of the lake, flying into the courthouse's windows. The gang was then arrested for damages and Marty Jr. never went on that robbery.
