Superhuman Samurai Syber-Squad (TV series)

Sam Collins is a typical teen (with a talent for programming video games) who's the leader of a rock band. One day, at practice, he is the victim of a sudden energy surge. He become a character in one of his games, named "Servo". Meanwhile, Malcolm Fricke, discovers a strange program in HIS computer, named "Kilokahn", which is a military Artificial Intelligence program, now presumed destroyed in the energy surge. Now Sam, Sydney, Tanker and Amp (later Lucky) must fight Kilokahn in cyberspace while keeping everything hush-hush. - IMDb