Berserker

Wiz: "sometimes mechas needs to be made using biological components"
Boomstick: "which can end up being a very bad idea, as they can have devastating consequences on the mind itself"
Wiz: "the titans: a bio mecha project that went wrong, in that the people experimented on, went on to nearly kill off humanity"
Boomstick: "and the evas, 1 of the 90's angel based superweapons whose goal is to start the process of ending the world as we know it"