Kaiju AU

In short: Kaiju have decimated the world. Major cities have been reduced to rubble and governments have fallen.

In an effort to preserve humanity mechas were the first conclusion most militaries came to, however in the face of dwindling material resources and the immense skill floor to pilot even the most basic maneuvers more unconventional means of combating them have been reached: [insert catchy name for monster hybrids here].