The longtime leader of the Atrocious Alliance stable, which included Crane Yu, Condor Saito and Bull Nakano, she was one of the main rivals of the popular tag team the Crush Gals.

[3] Inspired by Fumiake, who won the WWWA World Single Championship in 1975 at the age of 16, Matsumoto applied to become a trainee at AJW during an audition in April 1976, but was rejected.

On the same day, she adopted the name Dump, Matsumoto dyed her hair blonde (In the context of Japan at the time, this was a major break from social norms) and donned face paint and a black leather jacket inspired by the rock band KISS.

She has since appeared on several All Japan Women "legends reunions", and in August 1998, Matsumoto and Crane Yu came out of retirement wrestling in a ten-minute exhibition tag team match against Combat Toyoda and Hyper Cat.

She also made several appearances for the now defunct GAEA promotion, and as recently as November 11, 2007, ran her own show under the banner of Gokuaku Domei Produce at Shinjuku FACE.

Matsumoto, inspired by the Sukeban subculture and the rock band KISS, adopted the "Dump" persona in January 1984 which saw her become an intimidating villain clad in black leather jackets, wearing dyed blonde hair and gruesome face paint and wielding a kendo stick.

Matsumoto's impact was so great that she often brought crowds literally to tears with her villainous tactics, and when she would merely walk down the street in any major city, people would scatter in fear.

The game was later ported to the Master System, but Western localized versions (renamed simply Pro Wrestling) removed her likeness and replaced the entirely female cast with male wrestlers.

The five-part series,[18] which began streaming on September 19, 2024, features renowned Japanese comedian Yuriyan Retriever portraying the character of Dump Matsumoto.