Charlie Brown voice actor charged Peter Robbins, the iconic voice for Charlie Brown, is charged with 12 felony counts of making criminal threats and stalking. NEW: Peter Robbins, 56, is charged with 12 felony counts of making threats and stalking NEW: He is ordered to stay away from his ex-girlfriend and a La Jolla plastic surgeon 13704837, charged with 12 felony counts of making criminal threats and stalking, authorities said. Robbins, 56, of Oceanside, California, pleaded not guilty Wednesday to the charges in San Diego County Superior Court, said District Attorney Bonnie Dumanis. Robbins is facing up to nine years in state prison for stalking his ex-girlfriend and making criminal threats against a La Jolla plastic surgeon, the prosecutor said. San Diego Superior Court Judge David Szumowski set Robbins' bail at $550,000, and he was ordered to have no contact with the two people involved in the case and not to possess a gun, Dumanis said. A readiness hearing for Robbins has been set for February 22 and a preliminary hearing has been scheduled for March 22. He grew up to become a California real estate agent, living in Oceanside with his dog, Snoopy, his official biography said. CNN's Michael Martinez and Carolyn Sung contributed to this report.