Jurina Oguchi, a 37-year-old office worker who is dressed as a zombie, poses for a photo before the Roppongi Zombie Walk in Tokyo March 31, 2013. (Photo by Yuya Shino/Reuters)

An enthusiast dressed as a zombie takes part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

An enthusiast dressed as a zombie takes part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

Enthusiasts dressed as zombies take part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

People, dressed as zombies, participate in the Roppongi Zombie Walk in Tokyo March 31, 2013. (Photo by Yuya Shino/Reuters)

People, dressed as zombies, participate in the Roppongi Zombie Walk in Tokyo March 31, 2013. (Photo by Yuya Shino/Reuters)

Enthusiasts dressed as zombies take part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

Enthusiasts dressed as zombies kiss during the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

People, dressed as zombies, participate in the Roppongi Zombie Walk in Tokyo March 31, 2013. About 50 people dressed up as zombies early evening on Sunday, catching the attention of pedestrians on the streets of Tokyo's downtown Roppongi district. (Photo by Yuya Shino/Reuters)

A woman, dressed as a zombie, poses for a photo before the Roppongi Zombie Walk in Tokyo March 31, 2013. (Photo by Yuya Shino/Reuters)

Enthusiasts dressed as zombies take part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)

People, dressed as zombies, pose for photos after the Roppongi Zombie Walk in Tokyo March 31, 2013. (Photo by Yuya Shino/Reuters)

Enthusiasts dressed as zombies take part in the annual Zombie Walk festival in Prague June 1, 2013. (Photo by David W. Cerny/Reuters)