Grandmaster Flash (b. 1958) is the stage name of DJ and music producer Joseph Saddler. Prior to his solo career, he founded the group Grandmaster Flash and the Furious Five.

References

• In Episode 4308 of Sesame Street, Grover does some hip-hop dancing and refers to himself as "Grandmonster Flash."

• The hip-plop group "Groanmaster Trash" is heard playing at Grouchfest in the Ready, Set, Ride with Elmo episode of the same name.