User blog comment:Ghido/Mecha monsters/@comment-4777444-20140212170720

Monster X-001 and Plasma Ghidorah (Monster X and Kaizer Ghidorah, respectively.)

Mechorah (Hedorah)

Mechra (Mothra)

Biollante Alpha and Biollante Omega (Biollante, Rose and Final, respectively.)

Gabroid (Gabara)