Debonair Vi and Ezreal have arrived
Riot·8/4/2014, 6:42:59 PM·4 votes·35,602 views
Take your enemy’s breath away with style, or if that fails, a sharp punch to the solar plexus. High-end fashion has made its way to the Rift with Debonair Vi and Ezreal. Tailored suits, fitted vests and elegant gauntlets let everyone know that the difference between you and them is simple: You make this look good.
Fight with style as Debonair Vi and Debonair Ezreal, available now in the League of Legends store for 750 RP each, or show off your sophisticated side with the Debonair Summoner Icon for 250 RP.
Are very new to the roster... Give them some time and be patient...
and even 
Seem to have more complex rigs and animations, therefore would require tons more effort and bug-testing to get a skin to look good and play well. And if they did, they would likely be more expensive. Anyone with any sort of knowledge of game design, animation, and rigging could see that... I don't even play Kha'Zix and I see it.
and 
Have simple designs that can be categorized in one of two ways: Humanoid or Animal-shaped... Its a little easier to think of and design skins for these champs cause it could be as simple as a change of clothes or subspecies (Like Safari 
...They're designs are so different that the process for champs like these will end up being a bit slower and more difficult
But 
will be excluded.