There are more than 70 characters the player can interact with in the game, Fallout 3. Some characters run stores where the player can purchase clothing and weapons, others will provide the player with quests.GameSpy: Planet Fallout 3: Characters
Player Character
As in many of Bethesda's previous games, the player character in Fallout 3 is a non-descript general person. This allows the player to mold their character through their actions and choices throughout the game.Official Site: Fallout 3 Overview The player can choose to play as a good or bad character, though the developers have said that it's extremely fun to play this game as an evil person.IGN: Fallout 3 Bad Karma Video Feature
Following in Your Father's Footsteps
The impetus for the player character leaving Vault 101 is to find his or her father, who unexpectedly left the vault for an unknown location when the player turned 19. The Vault Overseer has suspicions the player helped his or her father escape, which simply aids the player into thinking that leaving is the right thing to do.GameSpy: Planet Fallout 3: Characters