LoL Champion release dates and numbers

Jax

One of the first 17 champions. A Grandmaster at Arms, this champion is primarily a Fighter and secondarily an Assassin. This Champion was released on the 21st of February, 2009.

Kayle

One of the first 17 champions. Appearing to be an heavily armored angel and know as the Judicator, she's a Fighter that Supports as her secondary role. She was released on the 21st of February, 2009.

Master Yi

One of the first 17 champions. He's a Bladesman of the Wuju style, an Assassin and a secondary Fighter. He was released on the 21st of February, 2009.

Annie

One of the first 17 champions. She's a dark little child with a big teddy bear called Tibbers and she's a Mage. She was released on the 21st of February, 2009.

Sivir

One of the first 17 champions. The Battle Mistress Marksman with a Boomerang Blade. She was released on the 21st of February, 2009.

Warwick

One of the first 17 champions. The Blood Hunter, this thirsty werewolf enjoys the Thrill of the Hunt and is a Fighter - Tank. He was released on the 21st of February, 2009.

Twisted Fate

One of the first 17 champions. The Card Master has a stacked deck, and he's a Mage. He was released on the 21st of February, 2009.

Tristana

One of the first 17 champions. The Megling Gunner, this little Champion with a big cannon is a Marksman - Assassin. She was released on the 21st of February, 2009.

Ryze

One of the first 17 champions. The Rogue Mage that is also a fighter and got his tattoos in Rune Prison. He was released on the 21st of February, 2009.

Sion

One of the first 17 champions. The Undead Champion with a Cryptic Gaze is a Fighter - Mage. He was released on the 21st of February, 2009.

Singed

The 18th Champion.The Mad Chemist with his Empowered Bulwark is a Tank - Fighter. He was released on the 18th of April, 2009.

Katarina

The 36th Champion. The Sinister Blade is made of Steel and has an unquenchable Voracity for Death, she's an Assassin - Mage. She was released on the 19th of September, 2009.

Malphite

The 32nd Champion. The Shard of the Monolith is an Unstoppable Force that can Strike Brutally with his rock hard fists, he's a Tank - Fighter. He was released on the 2nd of September, 2009.

Janna

The 33rd Champion. The Storm's Fury is a Support - Mage. She was released on the the 2nd of September, 2009.

Blitzcrank

The 34th Champion. The Great rolling Steam Golem gathers no rust and is a Tank - Fighter. This Champion was released on the 2nd of September, 2009.

Dr. Mundo

The 35th Champion. The Madman of Zaun has an Infected Cleaver and a Burning Agony for S&M, he is a Fighter - Tank. He was released on the 2nd of September, 2009.

Corki

The 37th Champion. The Daring Bombardier is a tiny flying Valkyrie Marksman. He was released on the 19th of September, 2009.

Nasus

The 38th Champion. The Curator of the Sands Eats Withering Souls Furiously, this enigmatic creature appears to have the face of a dog and the body of man in a pharaoh's costume, he's a Fighter - Tank. He was released on the 1st of October, 2009.

Heimerdinger

The 39th Champion. The Revered Inventor likes to create Turrets and Rockets and seems to have a big Brain for a head, he's a Mage - Support. He was released on the 10th of October, 2009.

Shaco

The 40th Champion. The Demon jester, this illusive Assassin is a master in Deception and won't hesitate to Stab you in the Back. He was released on the 10th of October, 2009.

Udyr

The 41st Champion. The Spirit Walker is one with the wild, he can imitate stances of many natural [creatures/animals] and he's a Fighter - Tank. He was released on the 2nd of December, 2009.

Nidalee

The 42nd Champion. The Bestial Huntress can transform into a Cougar and is an Assassin - Support. She was released on the 17th of December, 2009.

Poppy

The 43rd Champion. The Iron Ambassador, this Valiant Fighter (- Assassin) megling has an Immunity to Diplomacy. She was released on the 13th of January, 2010.

Gragas

The 44th Champion. The Rabble Rouser is 'Happy' every Hour of the day with his Barrels of Ale, he's a Mage - Fighter. He was released on the 2nd of February, 2010.

Pantheon

The 45th Champion. The Artisan of War has an Aegis and a Spear, and that's all this (Fighter - Assassin) needs. He was released on the 2nd of February, 2010.

Alistar

One of the first 17 champions. He's a minotaur and primarily Tanks. He was released on the 21st of February, 2009.

Morgana

One of the first 17 champions. Known as the Fallen Angel, she is a Mage and Support secondarily. She was released on the 21st of February, 2009.

Fiddlesticks

One of the first 17 champions. Known as the Harbinger of Doom and easily seen as a scarecrow, this Champion is primarily a Mage but has the secondary role, Support. This Champion was released on the 21st of February, 2009.

Ashe

One of the first 17 champions. She is a Frost Archer from the Freljord and is a primarily a Marksman and Support is her secondary role. She was released on the 21st of February, 2009.

Soraka

One of the first 17 champions. The Starchild with an Astral Blessing is a Support - Mage. She was released on the 21st of February, 2009.

Teemo

One of the first 17 champions. The Swift Yordle Scout can't get enough of his mushrooms, he's a Marksman - Assassin. He was released on the 21st of February, 2009.

Nunu

One of the first 17 champions. The Yeti Rider rides a Yeti named Willump and is a Support - Fighter. He was released on the 21st of February, 2009.

Zilean

The 19th Champion. The Chronokeeper spends his 'time' well and is a Support - Mage. He was released on the 18th of April, 2009.

Evelynn

The 20th Champion. The Widowmaker with the Spikes of Hate is an Assassin - Mage. She was released on the 1st of May, 2009.

Twitch

The 21st Champion. The Plague Rat known to Spray and Pray with his Deadly Venom is a Marksman - Assassin. He was released on the 1st of May, 2009.

Tryndamere

The 22nd Champion. The Barbarian King with a Lust for Blood and an Undying Rage is a Fighter - Assassin. He was released on the 1st of May, 2009.

Karthus

The 23rd Champion. The Death Defiant Deathsinger will Lay Waste to the grounds and Defile the enemy, this Champion is a Mage. This Champion was released on the 12th of June, 2009.

Cho'Gath

The 24th Champion. The Terror of the Void and it's Carnivorous Feasting is Feral like it's Scream, this Champion is a Tank - Mage. This Champion was released on the 12th of June, 2009.

Amumu

The 25th Champion. The Sad Mummy with the Cursed Touch is a Tank - Mage. This Champion was released on the 12th of June, 2009.

Anivia

The 26th Champion. The Cryophoenix with her Flashing Frost and Crystallization power takes the role of a Mage - Support. She was released on the 7th of July, 2009.

Rammus

The 27th Champion. The Armordillo (Armored Armadillo) has a Spiked Shell to protect from and Puncture threats, this Champion is a Tank - Fighter. He was released on the 7th of July, 2009.

Veigar

The 28th Champion. The Tiny Master of Evil, this cat Mage can control Dark Matter. This Champion was released on the 24th of July, 2009.

Kassadin

The 29th Champion. The Void Walker can also Riftwalk, he's an Assassin - Mage. He was released on the 7th of August, 2009.

Gangplank

The 30th Champion. The Saltwater Scourge won't be losing himself to Scurvy, he's a Fighter - Support. He was released on the 19th of August, 2009.

Taric

The 31st Champion. The Gem Knight will Dazzle you with his Radiance, he's a Support - Fighter. He was released on the 19th of August, 2009.