Do gta online characters have backstories like the story mode protagonists?

The provided evidence pertains solely to the character Leatherface from The Texas Chainsaw Massacre franchise and contains no information about GTA Online or its characters. Consequently, there is no documented source confirming that characters in GTA Online possess backstories comparable to those of story mode protagonists. Without additional verified references, we cannot assert the existence or absence of such backstories for GTA Online characters.