BIGFOOT

Bigfoot is a very popular myth in the GTA series, He was first spotted in GTA San Andreas... Here`s everything known about this creature in the GTA series!

Founds
Bigfoot has been found in Shady Creeks, Back O'Beyond and near Mount Chilliad in GTA San Andreas. Many pictures has been taken however...Most of them are fake. Most of the sightings are reported to be in Back O' Beyond

In GTA 5 there is a mission called "The Last One" which can be triggered by Franklin after 100% game completion. The bigfoot turned out to be a guy in a costume who find doing this thrilling.

TRIVIA
-Red Dead Redemption:Undead Nightmare, another game made by Rockstar Games, has BIGFOOTs in it, there is a mission in which you can hunt for it in the game.

-In the Next-Gen Trailer of GTA 5 you can see an BIGFOOT in the background after Trevor stands up ontop of Mount Gordo.

-The LSPD "City Shield" contains a BIGFOOT in it.