John Christian Graas (born on October 10, 1982 in Los Angeles, California) is a former child actor who provided the voice of Linus van Pelt in two Peanuts specials: It's Christmastime Again, Charlie Brown and You're in the Super Bowl, Charlie Brown. He also appeared in the 1990 movie Kindergarten Cop starring Arnold Schwarzenegger and appeared in various television shows and films. As of 2010, Graas is in the U.S. Marine Corps training to become an aviator.