Borderlands 2

Assault Rifles

• Seraphim[DLC1] - Seraph Vendor
• Lead Storm[DLC3] - Hunter's Grotto Seraph Vendor
• Madhouse - Mad Dog*, Lynchwood
• Veruc - Mobley, The Dust
• Hammer Buster - McNally, The Dust
• KerBlaster - Midge-mong, Southern Shelf
• Shredifier - Unknown
• Scorpio - Quest reward from "Bearer of Bad News" (Unique)
• Evil Smasher - Quest reward from "The Chosen One" (Unique)
• Hail - Quest reward from "Bandit Slaughter: Round 5" (Unique)
• Stomper - Quest reward from "Hungery Like the Skag" (Unique)
• Stinkpot[DLC1] - No Beard(Does not Respawn), Oasis
• Captain Blade's Rapier[DLC1]- Quest Reward from "Message in a Bottle (Hayter's Folley)"
• Boom Puppy[DLC2] - Quest reward from "Walking the Dog"
• Angry Kitten[DLC2] - Quest reward from "Everybody Wants to be Wanted"
• Damned Cowboy[DLC3] - Bloodtail, Candlerakk Crag
• Chopper[DLC3] - Dexiduous the Invincible, Hunter's Grotto

Pistols

• Devastator[DLC1] - Seraph Vendor
• Infection[DLC3] - Hunter's Grotto Seraph Vendor
• Gub - Laney, The Fridge
• Hornet - Knuckledragger, Southern Shelf
• Maggie - Mick Zafod, The Dust (Side with Hodunks)
• Thunderball Fists - Captain Flynt, Southern Shelf
• Gunerang - Rakk Man, The Fridge
• Unkempt Harold - Savage Lee*, Three Horns
• Infinity - Doc Mercy, Three Horns Valley
• Logan's Gun - Wilhelm, End of the Line
• Dahlminator - Quest reward from "The Lost Treasure" (Unique)
• Teapot - Quest reward from Tiny Tina "You are cordially invited"(unique)
• Judge - Assassin Oney, Southpaw Steam and Power(Unique)
• Rubi - Quest reward from Moxxi "Rakkaholic Anonymous" (Unique)
• Fibber - Quest reward from "A Real Boy" (Unique)
• Veritas - Quest reward from "Clan Wars: Wakey Wakey" (Unique)
• Flint's Tinderbox - Captain Flint, Southern Shelf (Unique)
• Gwen's Head - Found in a box near the Buzzard camp in The Dust (Unique)
• Lady Fist - Quest reward from Una Mailbox in "Uncle Teddy" (Unique)
• Law - Sheriff, Lynchwood (Unique)
• Greed[DLC1] - Spoiler: Captain Scarlet during "Treaures of the Sands"
• Little Evie[DLC1] - Magnys Lighthouse Kill Mr. Bubbles without hurting Lil' Sis. Speak with Lil' Sis afterwards to recieve *Little Evie
• Pocket Rocket[DLC2] - Purchase from Torgue Vending Machines
• Rex[DLC3] - Bolstoss, Hunter's Grotto

Rocket Launcher

• ERROR MESSAGE ERROR MESSAGE[DLC1] - NPC Weapon used by Master Gee.
• Ahab[DLC1] -Master Gee, Hayter's Folley / Seraph Vendor
• Badaboom - King Mong, Eridian Blight
• Pyrophobia - Incinerator Clayton, Frostburn Canyon
• Bunny - Chubby enemies
• Nukem - Black Queen, The Dust
• Mongol - Dukino's Mom, Lynchwood
• Norfleet - Vermivouris / Hyperius, Washburne Factory
• Roaster - Quest reward from "Note to Self-Person" (Unique)
• Creamer - Quest reward from "Creature Slaughter: Round 5" (Unique)
• The Hive - Saturn, Arid Nexus Badlands (Unique)
• 12 Pounder[DLC1] - The Big Sleep, Hayter's Folley
• Harpoon[DLC3] - ???

Shotguns

• Retcher[DLC1] - Seraph Vendor
• Interfacer[DLC3] - Hunter's Grotto Seraph Vendor
• Conference Call - The Warrior
• Striker - Old Slappy, The Highlands
• Deliverance - Tumba, Wildlife Preserve
• Flakker - The Warrior
• Sledge's Shotgun - Smash Head, The Fridge
• Slow Hand[DLC2] - Badassaurus Rex/Piston, The Arena
• Thre Dog - Assassin Rouf, Southpaw Steam and Power (Unique)
• Triquetra - Quest reward from "Clan Wars: End of the Rainbow" (Unique)
• Moxxi's Heartbreaker - Quest reward for siding with Moxxi in "Safe and Sound" (Unique)
• Shotgun 1340 - Quest reward from Marcus during "Out of Body Experience (Unique)
• Blockhead - Badass Creepers, Caustic Caverns (Unique)
• Octo - Quest reward from "Slap Happy" (Unique)
• Roksalt - Quest reward from "Splinter Group" (Unique)
• Landscaper - Quest reward from "Family Fued: Dueling Banjos and Fiddles" (Unique)
• Tidal Wave - Quest reward from Hyperion Mailbox in "Uncle Teddy" (Unique)
• Teeth of Terramorphous - Terramorphous
• Jolley Roger[DLC1] - Quest Reward from "Just Desserts for Desert Deserters"
• Captain Blade's Orphan Maker[DLC1] - Quest Reward from "Message in a Bottle(Oasis)"
• Twister[DLC3] - Omnd-Omnd-Ohk
• Hydra[DLC3] - Rouge, Candlerakk Crag

Sniper

• Patriot[DLC1] - Seraph Vendor
• Hawk Eye[DLC3] - Hunter's Grotto Seraph Vendor
• Pitchfork - Terramorphous
• Invader - Saturn, Arid Nexus Badlands
• Skullmasher - Son of Mothrakk, Wildlife Preserve
• Volcanoe - The Warrior
• Longbow - Badass Creeper, Caustic Cavern
• White Death/Lyuuda - Gettle, The Dust
• Buffalo - Quest reward from "Demon Hunter" (Unique)
• Fremington's Edge - Assassin Reeth, Southpaw Steam and Power (Unique)
• Trespasser - Quest reward from "Animal Rights" (Unique)
• Sloth - Quest reward from Mordecai in "Rakkoholics Anonymous" (Unique)
• Morning Star - Quest reward from "Hyperion Contract #873" (Unique)
• Chère-amie - Quest reward from "Hyperion Slaughter: Round 5" (Unique)
• Pimpernel[DLC1] - Quest Reward from "Don't copy that floppy"
• Cobra[DLC2] - Has a low chance of dropping off "Burners" in the Campaign of Carnage DLC. Confirmed here
• Elephant Gun[DLC3] - Arizona, Hunter's Grotto

SMG

• Actualizer[DLC1] - Seraph Vendor
• Tattler[DLC1] - Seraph Vendor
• Slagga - Hodunk, The Dust
• Emperor - The Assassins, Southpaw Steam & Power
• B**ch - BNK3R
• Hellfire - Scorch, Fropstburn Canyon / The Warrior
• Baby Maker - Madame Von Bartlesby, Tundra Express / Mad Dog, Lynchwood
• Yellow Jacket[DLC3] - ???
• Miss Moxxi's Bad Touch - Reward from tipping Moxxi(Unique)
• Miss Moxxi's Good Touch - Reward from tipping Moxxi, no set amount, can be got constantly (Unique)
• Bone Shredder - Bonehead 2.0, Arid Nexus Badlands(Unique)
• Bane - Quest reward from "The Bane" (Unique)
• Lascaux - Found in a pond in the caves of Frostburn Cavern, respawns (Unique)
• Chulainn - Quest reward from "Clan Wars" (Unique)
• Commerce - Assassin Wot, Southpaw Steam and Power (Unique)
• Sand Hawk[DLC1] - Quest Reward [from "Whoops"

Shields

• Evolution[DLC1] - Seraph Vendor
• Big Boom Blaster[DLC2] _ Torgue Seraph Vendor
• Sponge[DLC2] - Torgue Seraph Vendor
• Pun-chee[DLC2] - Torgue Seraph Vendor
• Hoplite[DLC2] - Torgue Seraph Vendor
• The Transformer - Pimon, Wildlife Preserve
• Whiskey Tango Foxtrot - Chubby Enemies
• The Sham - BNk3R
• The Bee - Hunter Hellquist, Arid Nexus Boneyard
• Fabled Tortoise - Blue, Caustic Caverns
• Black Hole - Foreman, Opportunity
• Impaler - The Warrior
• Neogenator - Spycho, Frostburn Canyon
• Hide of Terramorphous - Terramorphous
• The Cradle - Henry, The Highlands
• Flame of the Firehawk - Quest reward from Lilith's Cult Mission (Unique)
• Deadly Bloom - Quest reward from "Helping Out Overlook" (Unique)
• Order - Quest reward from "BFFs" (Unique)
• Love Thumper - Quest reward from "Best Mother's Day Ever" (Unique)
• Aequitas - Quest reward from "Clan Wars: Wakey Wakey" (Unique)
• 1340 Shield - Quest reward from Dr. Zed in "Out of Body Experience" (Unique)
• Pot o' Gold - Drop from Bagman(Doesn't Respawn) during the Quest "Clan Wars: End of the Rainbow" (Unique)
• Captain Blade's Manly Man Shield[DLC1] - Quest Reward from "Message in a bottle(Wurmwater)"
• The Rough Rider[DLC3] - The Bulwark, Hunter's Grotto

Grenades

• O-Negative[DLC2] - Toruge Seraph Vendor
• Meteor Shower[DLC2] - Torgue Seraph Vendor
• Crossfire[DLC2] - Torgue Seraph Vendor
• Bonus Package - Boom Bewm, Southern Shelf
• Bouncing Bonnie - Loot Midgets*
• Fastball - Boll*, Three Horns
• Fire Bee - Unknown
• Leech - The Warrior
• Quasar - Ultimate Badass Varkid
• Rolling Thunder - Wilhelm, End of the Line
• Storm Front - Rat Brothers, Bloodshot Stronghold
• Pandemic - Mortar, Sawtooth Cauldron
• Nasty Surprise - Vermivouris
• Breath of Terramorphous - Terramorphous
• Kiss of Death - Quest reward from "Hell Hath No Fury" (Unique)
• Fuster Cluck - Quest reward from "The Pretty Good Train Robbery" (Unique)
• Sky Rocket - Unlocked with Special Editions of BL2
• Captain Blade's Midnight Star[DLC1] - Quest Reward from "Message in a bottle(Lighthouse)"

Class Mods:

• Slayer of Terramorphous Siren - Terramorphous
• Legendary Siren - Vermivorous*
• Legendary Soldier - Vermivorous*
• Legendary Berserker - Vermivorous*
• Legendary Hunter - Vermivorous*
• Legendary Mechromancer - Vermivorous*

Relic:

• Blood of the Seraphs[DLC1] - Seraph Vendor
• Might of the Seraphs[DLC2]- Torgue Seraph Vendor
• Breath of the Seraphs[DLC3] - Hunter's Grotto Seraph Vendor
• Blood of Terramorphous - Terramorphous
• Sheriff's Badge - Drops from Sheriff of Lynchwood (Unique)
• Deputy's Badge - Quest reward from "Showdown" (Unique)
• Moxxi's Endowment - Quest Reward from the "The Good, The Bad and the Mordecai"
• Lucrative Opportunity Quest Reward for siding with Marcus in "Safe and Sound"
• Vault Hunter - Unlocked with Premiere Club
• The Afterburner - Quest Reward from "Positive Self-Image"
• Captain Blade's Otto Idol[DLC1] - Quest Reward from "Message in a bottle(Rustyard)"

Unconfirmed Still*