Pet's needed
Biala Mountain=Snowman pet
City of Marada=Mafia Pet
Enpiah=Space Fairy Pet
Jenoa=ANY Kronk Pet
Nimbus=Breeze Pet
Simeria=Detective Pet
Slater Park=Evil Clown Pet
Ziranek=Digital Pet
Dukka Caves=Pirate Pet
Puchalla Village=Cheese Pet

Minipet Island=need to receive a LE pet through the pet exchange!

Quest Levels
City Sewers=150 Sewer Monster
Foxfire Forest=25 Carpenter
Kamilah Desert=100 Kamilah Traveller
Vortex Park=50 Shusan

Mission Levels
Baspinar's Castle=level 15 Troll
Eleka's Castle=level 10 The Fates
Lowlywood=level 12 Priscilla

Other
Candyland=use Gingerbread House
Gigantic Paradise=Win Gigantic Fairy Book at Test Your Strength
Lush Lake=take photo of any Chibs pet at Photo Parlour
Undying Woods=Win 10,000 from Spooks Busters