Here is a list of every cosplay I've done so far in my life. They are listed by anime convention. I more pictures of them in my gallery if you want to take a look!

Otakuthon 2006
Saya - Blood: The last vampire
(In 2006, it was only a japanese animation movie based on the manga Blood+, but there is a live action movie now)
The caracter: [link]
My cosplay: [link]

Otakuthon 2007
Kaoru Kamiya - Rurouni Kenshin
(You can also see this caracter in Samurai X)
The caracter: [link]
My cosplay (random kimono version): [link]

Otakuthon 2008
Rock Lee (Sexy no Jutsu) - Naruto
(You cannot see this caracter anywhere nor in the manga, nor in the anime. It's based on Naruto's famous technic called "Sexy no Jutsu" that makes him look like him as a female. My cosplay is based on how would Rock Lee looks like if he does this tecnic.)
The caracter: [link]
My cosplay: [link]

Photoshoot 2008-2009
Tomoyo Daidoji - Card Captor Sakura
(This caracter is also known as Tiffany)
The caracter: [link]
My cosplay: [link]

G Anime 2009
Kaoru Kamiya - Rurouni Kenshin
(You can also see this caracter in Samurai X)
The caracter: [link]
My cosplay (purple kimono version): [link]

Otakuthon 2009
Obito Uchiha - Naruto
(You can see this caracter for about 3 chapters between Naruto and Naruto shippuden in the volume 27 or in episode 119 and episode 120 from Naruto shippuden)
The caracter: [link]
My cosplay: [link]

Otakuthon 2010
Obito Uchiha - Naruto
The same as the year before.
AND
Joe Kido - Digimon
The caracter: [link]
My cosplay: [link]

Other
Anko Mitarashi - Naruto
(I never wear this cosplay to convention or photoshoots because the coat is not enough long to be Anko's)
The caracter: [link]
My cosplay: [link]