Possible Clues:

• "SNL" sketch in which Will Ferrell loudly plays a certain hand percussion instrument
• "SNL" sketch featuring Christopher Walken and a percussion instrument
• Classic line from the Blue Öyster Cult sketch on "S.N.L."
• "SNL" catchphrase inspired by the band in the first parts of
• Catchphrase spawned by Christopher Walken on 'SNL'