By Victoria Thomas Altadena-based artist James Griffith greets me at his studio, located in a refurbished 1920s firehouse diagonally across the street from the gleaming silver lagomorph of the restored Bunny Museum, by saying "Hi, I just started putting a galaxy in the armpit of a penguin." Great cities announce their identities through their monuments. New York City has the Statue of Liberty, St. Louis the Gateway Arch, Chicago the Cloud Gate, Philadelphia the original LOVE