From a Wall Street Journal review by Barbara Spindel of the book by Gary Weiss titled “Retail Gangster: The Insane, Real-Life Story of Crazy Eddie”:

The Crazy Eddie electronics chain, at its peak, numbered a respectable 43 stores from Philadelphia to Boston, but in the mid-1980s the discount retailer enjoyed an astonishing 99% name recognition among New Yorkers, higher even than the sitting president, Ronald Reagan. Anyone who resided in the region at the time knows why: the ubiquitous and incessant Crazy Eddie commercials, which featured a DJ named Jerry Carroll gesturing wildly and screaming, “His prices are insane!”