N'afọ 1986, ndị enyi Billie Joe Armstrong na Mike Dirnt, bụ ndị dị afọ iri na anọ n'oge ahụ, guzobere otu akpọrọ Sweet Children. Egwuregwu mbụ nke ìgwè ahụ mere na October 17, 1987, na Rod's Hickory Pit na Vallejo, California. Na 1988, Armstrong na Dirnt malitere ịrụ ọrụ na onye bụbu Isocracy drummer John Kiffmeyer, nke a makwaara dị ka "Al Sobrante". Armstrong na-ekwu na ìgwè ahụ bụ Operation Ivy (nke gosipụtara Tim Armstrong na Matt Freeman nke Rancid) dị ka nnukwu mmetụta, na otu nke kpaliri ya ịmalite ìgwè. Na 1988, Larry Livermore, onye nwe Lookout!
Slappy, na Awa 1,000