Leatherface
Leatherface is one of several myths in GTA San Andreas.
Background
The leatherface myth is based on the serial killer from the 1974 American horror film classic, The Texas Chainsaw Massacre. The film's character wore a mask fashioned from the skin of his victims, giving him his name.
GTA San Andreas
There are reports of a leatherface-esque character roaming the San Andreas countryside, particularly in the area of Back o' Beyond, which is the purported location of Bigfoot, another GTA San Andreas myth. The character has a ghost-like appearance, apparently due to some sort of mask, which may or may not be an "optical illusion" due to slow or incomplete graphics draw (see image).
Sightings
Many say they have seen Leatherface hanging around the dock with the old rusty wheelchair, People have claimed that they see him in the wheelchair and a certain amount of flash photography can send him into the water