The compound GYX-5 was created by PetraDyne in 1989 using mud
originally discovered outside of Millennium City in 1886 by a farmer
who noted that some of his fields were incredibly fertile and
yielded huge crops that were also extremely resistant to blights.
This mud has miraculous, unparalleled mineral properties and unique
rejuvenative qualities. After the healing effects of the mud were
originally discovered, the fields were bought by G. Finneas Wurtz, a
German business man traveling in America, who built the Dearborn
Fields Rejuvenative Bath & Spa on the location. The resort like Spa
did a steady trade, but was put out of business during the Great
Depression, leaving the site a dilapidated ruin by 1987, and its
title lapsed back into the public domain.
In 1987 a college biology field trip to the area resulted in a young would-be biochemist, Paul Storgath, taking several soil samples for a class project. Studying the various samples later he noticed that while handling the soil from the Spa site, an abrasion on his finger stopped hurting and in fact seemed to partially heal before his eyes. Intrigued he ran a number of tests on the soil and returned to the site for a larger sample. He discovered that the mud had incredible bio enhancing effects. He took this information to PetraDyne Chemicals, securing a future there after graduation in return for his findings.
PetraDyne questioned the results at first, but their own research
indicated Storgath's findings were correct. Moving quickly to
acquire the plot from the state for a pittance, they immediately
built a facility on-site and conducted thorough research on how to
use this material. GYX-5 was but one of many compounds created by
combining trace amounts of the mud with a wide range of other
pharmaceutical products. GYX-5 was intended primarily to
grow/produce synthetic skin that is indistinguishable from real skin
to treat burn victims.
However, Mr. Roboto got its hands on some of the compound and
quickly developed a process to grow pigmented skin with hair
follicles and natural blemishes by splicing in DNA from a living
person, and it was this breakthrough that enables Mr. Roboto's
replicants to look real.
However, some of the other benefits of the mud included use in bio
enhancements designed to grant superhuman capabilities, and topical
creams that that can heal just about any dermatological problem. In
late 2005 PetraDyne decided to dig up all of the remaining mud from
the site and transport large lots of it to various other PetraDyne
facilities around the country so that further ranging research could
be conducted and to ensure that they had total control over the
Chemo has a special interest in bio enhancing chemicals and
compounds, and took the opportunity to seize control of the miracle
material via hired super villains and minions while it was en route
to its various destinations. Unbeknownst to Chemo, this made him a
new enemy in the form of Mr. Roboto, who needs more GYX-5 to
continue to produce life-like replicants.