Posing proudly for a snapshot with a glittery championship belt, Seigi Nishiyama was among some 600 wrestling fans packed into a Tokyo theater who can't get enough of World Wrestling Entertainment.

"The stories are so much more detailed compared with Japanese wrestling — it's like watching a movie," the 34-year-old food manufacturing employee said Sunday.

The WWE is famous in the United States for its brand of pro wrestling, a kind of simulated sport and performing art that combines the physical nature of wrestling with elaborate soap-opera-like story lines and larger-than-life characters with names like the Undertaker and Rey Mysterio.