Gary Ripper, dressed as Darth Vader, walks past a Yoda doll during Golden Gate Knights class in San Francisco.
Not all Jedis-in-training are rooting for the good guys. Some came to embrace "the dark side of the force."
"I just love Vader, period," said Ripper. "Just his voice, the way he moved, the power of him. I just liked the powerfulness of him."
Credit: AP Photo/Jeff Chiu