Multiple artists have used this name. 1. Starkweather is an innovative metal/hardcore band from Philadelphia, United States that formed in 1989. Their name is taken from Charles Starkweather, a late 1950s spree killer. Starkweather helped pioneer the hardcore/heavy metal crossover sound that would later be known as "metalcore". They have influenced many of today's top selling hardcore/metal bands such Converge, Dillinger Escape Plan and Mastodon.