The bio-mech EVA units from the end of evangelion, based on some hentai art along with the official art. For XL Pony, (and illustrious), and seems to work pretty well. See the examples for other tags and image composition - it might be a bit overtrained for Evangelion characters, but it's unavoidable with the images available.

Trigger word: masprodeva1

the token mecha can help, along with size difference.