
Pokémon Sun & Moon - Starter Trailer
Let's start (ha) with the starters.
Rowlet - Grass Quill Pokémon -

Rowlet is a small Pokémon not too dissimilar to Hoothoot of Gen 2 fame. The small owl is able to rotate its head almost 180 degrees and has powerful kicks, like another bird of Gen 3 starter fame.
Litten - Fire Cat Pokémon - 
Litten is a small fiery cat Pokémon that uses hairballs from its fur as fireballs. When shedding, its fur burns up in a blaze.
Popplio - Sea Lion Pokémon - 
This prankster
seel seal Pokémon uses it's nose to create water balloon for projectiles, and likes to perform stunts with the balloons.
Sun Legendary - Lion? Pokémon - 
Who knows? Most likely

but who can say for sure?
Moon Legendary - No Idea Pokémon - 
Pfft, hell if I know. It's a Pokémon. If I had to guess...
The Alola RegionHawaii. How subtle. Things to notice: It's tiny! It's like a tiny remote island! Like the one's you'd see off the shore of Hoenn! So tiny! No way they'd fit an Elite 4 there, right?
Ahem.
Release Dates:
Japan, North America, Australia, South Korea, Hong Kong, Taiwan - November 18 2016
Europe - November 23 2016
China - Not Announced