Confirmed 1st Gen monsters: Bullfango, Rathalos, Rathian, Diablos, Aptonoth, Kelbi
Confirmed 2nd Gen monsters: Anteka, Bulldrome, Nargacuga, Tigrex
Confirmed 3rd Gen monsters: Bnahabra, Great Jaggi, Great Baggi, Qurupeco, Barroth, Gigginox, Agnaktor, Royal Ludroth, Barioth, Uragaan, Giggi, Altaroth, Delex , Rhenoplos, Jaggi, Jaggia, Deviljho, Jhen Mohran
New monsters include:
Gagua (Bird Wyvern): An ostrich-like minion commonly found in the Mountain Stream.
Aoashira (Pelagus): A blue bear monster with powerful arms.
Jinouga (Fanged Wyvern): A thunder wolf wyvern who is quite agile and uses lightning to power itself up. It's also the Flagship-Monster of Monster Hunter Portable 3rd.
Urukususu (Pelagus): A white rabbit-bear monster from the Tundra region who uses its belly to slide around.
Great Furogi (Bird Wyvern): Similar to the Great Jaggi, this alpha raptor uses poison stored in its neck sac.
Furogi (Bird Wyvern): The Furogi equivalent of Jaggi.
Black Tigrex (Flying Wyvern): A Tigrex subspecies in the volcano with a greatly upgraded roar. And alot faster when enraged
Zuwaroposu (Herbivore): A green rhino-like Herbivore in the Flooded Forest.
Hapurubokka (Leviathan): A desert Leviathan similar to Gobul in structure.
Rangurotora (Pelagus): A volcanic Pelagus that looks like an Armadillo. Rolls and attacks with its tongue.
Barroth Subspecies (Brute Wyvern): A subspecies to the Barroth that's covered in Ice and lives in the Tundra.
Royal Ludroth Subspecies (Leviathan): A subspecies to the Royal Ludroth that is colored purple with a pink mane.
Qurupeco Subspecies (Bird Wyvern): A subspecies to the Qurupeco. This subspecies has no visible throat sac and an array of different colors.
Doboruberuku (Brute Wyvern): A massive, hammer-tailed Brute Wyvern found in the Mountain Stream.
Barioth Subspecies (Flying Wyvern): A subspecies to the Barioth. This subspecies can make large sand tornadoes and has bright orange fur instead of white.
Nargacuga Subspecies (Flying Wyvern): A subspecies to the Nargacuga. It has a yellowish/green tint to its fur and a red tipped tail.