Where did Jerry Brown get the name Moonbeam?

Jerry Brown earned the nickname "Moonbeam" during his first term as Governor of California in the 1970s. The name was given to him by a political opponent who criticized his progressive ideas and unconventional policies, particularly his interest in environmental issues and alternative energy. Brown embraced the moniker, using it to symbolize his visionary and non-traditional approach to governance. The nickname persisted throughout his political career, reflecting both his ideals and the public's perception of him.