If you're talking about the games, not yet. There will be one, along with Y version on October 12th, 2013. If you're talking about the species, sort of. There is a glitch Pokémon in Pokémon Yellow called X - x. You can get it if you do the Mew glitch with a special stat of 196 (if that's too complicated, go to Bulbapedia).
There actually are Pokemon games on the xbox. There is Pokemon dash and Pokemon platinum as far as i know so far.
Yes, there is. I have no idea what it is called, but I know there is one :)
No if you want pokeman get a wii
Pokemon is a Nintendo franchise, so you cannot get it for a Microsoft console.
No. Superman Returns was released on November 22, 2006 for Xbox, Xbox 360, Playstation 2, and Nintendo DS.
Harry Potter and the Philosopher's Stone is one of the original Xbox games but will work on Xbox 360.
No.
xbox 360
There are no Pokemon games for the Xbox 360. Pokemon is a series created by Nintendo, so no Pokemon games will ever appear on the Xbox 360.
Yes, it is available for the Xbox 360.
Stargate Worlds is not currently available for Xbox 360.
No.
Rust is not available for the xbox 360.
There are no Simcity games available or planned for the Xbox 360.
No Pokemon was by Nintendo Xbox comes from Microsoft
no
It's not available for Xbox 360
No, the Pokémon franchise is a Nintendo-exclusive and the Pokémon X and Y games are only for the Nintendo 3DS family (3DS, 3DS XL and 2DS). The XBOX, XBOX 360 and XBOX ONE are all from Microsoft.
The Aether mod is not available for Xbox 360 because you cannot download mods on the Xbox 360 version.
The Xbox 360 can only play certain Xbox titles. A precise list of which Xbox games are compatible with the Xbox 360 is available on the Xbox website.