Champion

A Champion is a warrior reigning from the vast regions of the universe that have come to wage war in the Fields of Justice. Riot Games develops new champions constantly. Each champion is individually designed to have unique abilities and traits that players must use wisely. One group uses brute strength and power, another uses deadly precision and cunning, while the last group uses supernatural vision and magic.

There were 40 champions released at launch, and there is one added approximately every two weeks. About 8-10 champions are in development at any moment. Each week there is a rotation of ten champions that are available to play for free. For those that bought the Collector's Edition, 20 champions are automatically unlocked; another 20 can be unlocked by buying the Champion Bundle through the game client. All champions, however, can be unlocked with Influence Points or Riot Points.

Upcoming Champions

 * Riven The Exile
 * Non-humanoid champion
 * 2 DPS Yordles

Concept
The following champions were hinted to be under development by Ezreal, Game Designer, but not officially announced, and are subject to change:
 * Female boar-themed champ
 * Female gravity-themed ranged DPS caster (in the works)
 * Tempus, a male time-themed melee DPS assassin (formerly known as Aeon)
 * Void creature caster (possibly "daddy")
 * Zelos, brother and a Sergeant in the Ionian military.

Other
The following champions were cancelled, placed on hold or otherwise:
 * Urf, the Manatee - April Fool's "mascot" (Made into the skin for  in '10 and  skin for  in '11).

Cancelled

 * Avasha
 * Averdrian
 * Eagle Rider
 * Iron Engineer
 * Plant King (probably remade into )
 * Priscilla, the Spider Queen
 * Robin Blackblade, the Dashing Rogue
 * Voodoo Shaman
 * Water Wizard
 * Tiki (likely incorporated into the skin)

List of champions
As of August 24th, 2011 there are currently 82 released champions, with the latest one being.