What's the name of every character in this photo?

Yeah, no, that's kind of a ridiculous ask. However, I'll list as many series as I can recognize. K-ON!, Vocaloid, To Heart, Sora no Otoshimono, Air, TTGL, Shakugan no Shana, Mahou Shoujo Madoka Magica, Chobits, Sailor Moon, Shinryaku! Ika Musume, Lucky Star, Little Busters!, School Rumble, Onegai Twins, Evangelion, Denpa Onna to Seishun Otoko, Suzumiya Haruhi no Yuuutsu, Toaru Majutsu no Index, Black Rock Shooter, Mahou Shoujo Lyrical Nanoha, AnoHana, Saki, Senran Kagura, Code Geass, Bokusatsu Tenshi Dokuro-chan, OreImo, Super Sonico, Mayoi Neko Overrun, Pokemon, Haganai, Spice & Wolf, Baka to Test to Shoukanjuu, Yoake Mae Yori Ruriiro na, Shuffle!, Ai Yori Aoshi, Shangri-La, Bakemonogatari, Kono Minikuku mo Utsukushii Sekai. That's most of it, skipped the manga with clearly readable titles.