魔法少女まどか☆マギカ - Puella Magi Madoka Magica
A winter 2010 anime series animated by Studio Shaft, with character designs by Aoki Ume and written by Urobuchi Gen.
14-year-old Kaname Madoka was approached by a mysterious creature named Kyubey, who offers her a pact to become a magical girl who fights Witches, creatures born from darkness responsible for murders and suicides in her home city - all the while learning the deeper, darker secrets behind her mission.
Since this series is spoiler heavy, please take care not to accidentally or purposely spoil anything about it while commenting.
Witches, Familiars, and Others
Demon (Madoka Magica) (Majuu)
Mami mogu mogu (spoiler)
- Puella Magi wiki (eng): http://wiki.puella-magi.net/
- Puella Magi wiki (jpn): http://www22.atwiki.jp/madoka-magica/
- Pixpedia (eng): http://en.dic.pixiv.net/a/Puella+Magi+Madoka+Magica