There are also two new Z-moves for fan favorite monsters Pikachu and Eevee. This is a big deal, as it gives the possibility of the 'Mons actually being useful in the late game stages, when normally, you would have to evolve them to keep them relevant.
Pikachu
Exclusive Z-Move name: Catastropika
Pikachu’s exclusive Z-Move, Catastropika, is a super-powered attack move where Pikachu borrows its Trainer’s strength, wraps itself in extra-high-voltage electric power, and charges into its opponents. This is Pikachu’s most powerful attack.
Eevee
Exclusive Z-Move name: Extreme Evoboost
Eevee’s exclusive Z-Move, Extreme Evoboost, gathers together Sylveon, Jolteon and more – all of the eight Pokémon that Eevee can evolve into – and grants their powers to Eevee. This highly powerful move raises Eevee’s Attack, Defense, Sp. Atk, Sp. Def and Speed by 2.
Miscellaneous:
Trainer customization is back and better than ever as players can alter their character’s clothing, hairstyle and eye color as they travel through the Alola region. One of the biggest additions is that you can dye your clothes to change their color, creating your own unique sense of style.
Another new feature called Pokemon Refresh, lets players care for their Pokemon after a battle. This is a much more intimate affair than simply tossing a potion at them, as you clean them up, care for them, feed them Poké Beans and cure status conditions. As a result, the Pokemon become more affectionate towards you, and this can can have benefits in battle.
Rockruff is going to have two evolutions, each one exclusive to a version. Here they are:
Lycanroc (Midday Form) – Sun
Type: Rock
In the world of Pokémon Sun, Rockruff is bathed in profuse amounts of solar energy, and Solgaleo’s influence causes this Pokémon to evolve into Lycanroc’s Midday Form. This form is known for speedy movement which can confound its opponents. A very loyal Pokémon, Lycanroc Midday Form dodges opponents’ strikes whilst attacking with the sharp rocks of its mane. Lycanroc Midday Form can learn Accelerock, a new move unique to the Pokémon, which is guaranteed to strike first, damaging opponents by slamming into them very quickly.
Lycanroc (Midnight Form) – Moon
Type: Rock
In the world of Pokémon Moon, Rockruff is bathed in an abundance of lunar energy, and Lunala’s influence causes this Pokémon to evolve into Lycanroc’s Midnight Form. This Pokémon will sacrifice its own safety to strike down its foes. The stronger an opponent is, the more excited Lycanroc Midnight Form becomes, its eyes glowing with the thrill of battle. This Pokémon feels a deep trust towards a Trainer who can draw forth its true power.
The Pokemon Company revealed some new and exciting information about Pokemon Sun and Moon today. Probably one of the biggest decisions every trainer faces when a new Pokemon game comes out is, which version to get. It used to be that the Legendary on the Box was the thing that swayed you one way or the other, and while it still plays a factor, version exclusive Pokemon ends up having a bigger hand in how you construct your teams.
That said, here's a look at your first set of version exclusive Pokemon.
Passimian (Sun)
Type: Fighting
The Teamwork Pokémon Passimian attack by throwing Berries at their foes. They tend to live in troops of 20–30 Passimian, who all follow one leader. These tribes work in teams to train and improve their skills. This Pokémon has the Ability Receiver, an Ability which no previous Pokémon has had. With the Receiver Ability, Passimian can inherit the Ability of an ally who faints in battle. Passimian only appear in Pokémon Sun.
Oranguru (Moon)
Type: Normal/Psychic
The Sage Pokémon Oranguru live in the solitary deeps of the Alolan forests and, in fact, were once known as ‘the people of the forests’. Oranguru hold a fan-like object made of leaves and are known to be kind to other Pokémon in the forest, often giving injured Pokémon medicine or hungry Pokémon food. This Pokémon can exclusively learn the new move Instruct, a move which can make the selected target use its most recent move again immediately. Oranguru only appear in Pokémon Moon.