G

A, is the product of a G-Virus mutant (the only known example being William Birkin, until the recent movie, RESIDENT EVIL: DEGENERATION, in which Curtis Miller is injected with the virus) implanting a genetically incompatible host with a G-Embryo. The embryo will be rejected within minutes, ripping it's way out out of the host's chest, killing the host in the process. Unlike their 'father', a G-Creature can mutate at an extremely fast rate, vastly increasing in size and power within seconds.

Only three people are known to have given birth to one of these creatures. These are corrupt RPD Chief of Police, Brian Irons, reporter Ben Bertolucci and the rogue Umbrella scientist, Monica.

This creature appears in two forms:

G Young
Appearing after bursting out of a chest, this creature bears a striking similarity to the Chest Burster from the Aliens movie series. In this state, it will immediately scuttle away for cover until it has reached a suitable level of maturity before seeking prey to multiply.

G Adult
After a G-Young has survived for a short period of time (ie. several minutes) it mutates extraordinarily. This creature is usually bipedal like it's parent (ie. William Birkin), but always appears to be somewhat asymmetrical and unstable in it's biology. The creature that was born of Irons and Bertolucci was larger than a man and constantly vomited embryos of it's own which would attach themselves to any living organisms in the area. The creature born of Monica was similar but much larger and had also developed an ability to spray a cloud of poison from it's back. Both creatures were slow but extremely strong. After they had been killed, their unstable cellular structure caused them to literally break down into nothing.