Thrash

Guild Achievement: Critter Kill Squad

Category: General

Vendor: World Vendors - Guild

Cost: 300 (unlimited supply)

Promotion: Starcraft II: Heart of the Swarm Collector's Edition

Quest: Egg Wave [81]

Zone: Mount Hyjal

Achievement: The 'Unbeatable?' Pterodactyl: BEATEN.

Category: Cataclysm

Vendor: Harry No-Hooks, Narkk

Zone: The Cape of Stranglethorn

Cost: 40 (unlimited supply)

Promotion: Authenticator Account Link

Profession: Engineering [475]

Taught By: Gnomish Engineering Trainers

Pet Battle: [22-23] Dragonblight

Pet Battle: [4-6] Redridge Mountains

Quest: Egg Wave [81]

Zone: Mount Hyjal

Achievement: The 'Unbeatable?' Pterodactyl: BEATEN.

Category: Cataclysm

Drop: Defias Pirate

Zone: The Deadmines [15-16]

Approximate Drop Rate: 1 in 50

Drop: World Drop

Zone: Northern Stranglethorn [25-30], The Cape of Stranglethorn [30-35]

Approximate Drop Rate: 1 in 8,000

Pet Battle: [21-22] Grizzly Hills

Vendor: Adrey Burnhep, Varzok (Pandaren only)

Zone: Stormwind, Orgrimmar

Cost: 50 (supply of 1)

Profession: Jewelcrafting [600]

Taught By: [Design: Jade Owl]

Pet Battle: [23-25] Kun-Lai Summit

Trading Card Game: Worldbreaker

Pet Store 

Profession: Engineering [75]

Taught By: [Schematic: Mechanical Squirrel]

Pet Battle: [7-9] Northern Stranglethorn; [9-10] The Cape of Stranglethorn; [14-15] Swamp of Sorrows; [15-16] Un'Goro Crater

Profession: Engineering [475]

Taught By: Goblin Engineering Trainers

Pet Battle: [7-9] Northern Stranglethorn

Pet Battle: [3-6] Azshara; [5-7] Stonetalon Mountains; [17-18] Winterspring

Vendor: Quartermaster Brazie

Zone: Tol Barad Peninsula

Faction: Baradin's Wardens - Honored

Cost: 50 (unlimited supply)

Vendor: Pogg

Zone: Tol Barad Peninsula

Faction: Hellscream's Reach - Honored

Cost: 50 (unlimited supply)

Pet Battle: [23-25] The Jade Forest

Pet Battle: [18-20] Blade's Edge Mountains