After two years on the air, a nationwide contest was opened to name the character. The most common entry was “Sherlock Bones.” Other entries included “J. Edgar Dog,” “Sarg-dog,” and “Keystone cop Dog.
— McGruff the Crime Dog Wikipedia page
He was murdered at the corner of 12th Street & Mission Street in 1851 by a man on horseback who struck him with a slingshot. He was scheduled as a witness in a high-profile fraud case and the killing may have been to silence his testimony.
— The death of Francisco Guerrero, former alcade of Yerba Buena, whose name inspired Guerrero Street