The Vault Dweller is the player character in Fallout, most famous for defeating the Master and his super mutant army, helping Shady Sands grow into the New California Republic, founding the small village of Arroyo and fathering its Elder (who too would bear a child; "the Chosen One").
Powers and Stats
Tier: 10-A, 9-B with Power Armor, explosives and gatling guns, higher with prep
Name: The Legendary Vault Dweller, the Hero of the Wasteland
Gender: Canonically male, but his gender is player chosen
Age: Likely 20 in Fallout 1, more than 80 at the beginning of Fallout 2
Powers and Abilities: Above average strength, Peak Human speed, reactions, very good with firearms and melee weapons aka Weapon Mastery, Martial Arts (self taught), very good with explosives, Very Charismatic (very good at convincing people and manipulating), Extreme Luck, Lockpicking, Science, Stealth, Medicine, Explosives and Survival expert, Ingenious intelligence, Hacking, Empathy, Regeneration (Low), Night-Vision | Same as before but stronger and more durable and immunity to mid levels of radiation
Attack Potency: Athlete level (It is implied that he killed Garl with his bare hands), Wall level with the Power Armor (Any person using one can rip off limbs and even punch off organs), explosives and Gatling guns, higher with prep
Speed: Peak Human (can run dozens of miles very fast, can cover hundreds of miles in a day).
Lifting Strength: Peak Human, Superhuman with the Power Armor
Striking Strength: Athlete Class, Wall Class with the Power Armor (Can rip off limbs and even punch off organs)
Durability: Athlete level (Survived being punched by Garl who could easily kill a normal man), Wall level with the Power Armor (He is the only character that can survive being shot by the Gatling's from The Master which are stronger than a normal Gatling Gun, can survive explosions head on)
Stamina: Peak Human
Range: Standard Melee Range, dozens of yards with firearms
Standard Equipment: Knives, pistols, explosives, shotguns and Gatling guns, Power Armor.
Intelligence: Likely a little above average (he managed to fix Necropolis' water pump with very little equipment, managed to survive the Wasteland so he had to play smart)
Weaknesses: The Vault Dweller is as vulnerable as any other human being. The Power Armor has to be repaired constantly.