Guitar Wolf
Wild Zero is a 1999 Japanese comedy horror film directed by Tetsuro Takeuchi. The film stars Masashi Endō as Ace, a big fan of the Japanese rock group Guitar Wolf. After assisting the group, Guitar Wolf makes Ace his blood brother and give him a whistle to blow during times of trouble. Ace later meets Tobio (Shitichai Kwancharu) during a gas station robbery. The group later find themselves in the middle of a zombie invasion.