Kyuubey

Kyuubey The Incubator (simply known as Kyuubey) is the main antagonist of ''Puella Magi Madoka Magica. ''He is a small cat like creature who first appears to be kind and willing to grant girls a wish in exchange that they become magical girls and fight evil creatures known as witches. However it is later revealed that Kyuubey is actually an alien known as an Incubator whose goal is to make girls magical girls so he may harvest their energy and the girls who do become magical girls eventually suffer and become the witches they fight.