The Kaiju from the super robot anime, Muteki Choujin Zambot 3. They are called Mecha-Boosts(メカ・ブーストMeka būsuto) and are battle Mcha sent by Gaizok.
Mecha-Boost Domira
Mecha-Boost Zidobirar
Mecha-Boost Gabidan (First Stage)
Mecha-Boost Gabidan (Second Stage)
Mecha-Boost Doyozurar
Mecha-Boost Garunge
Mecha-Boost Elegin
Mecha-Boost Kumoganira
Mecha-Boost Garuchak
Mecha-Boost Anmosgar
Mecha-Boost Tracid
Mecha-Boost Vibron
Mecha-Boost Mogundar
Mecha-Boost Harindar
Mecha-Boost Dabongar
Mecha-Boost Kamezon
Mecha-Boost Deskamel
Mecha-Boost Buubon
Mecha-Boost Buubon’s Mechanical Sharks
Unnamed Mecha-Boost 1
Unnamed Mecha-Boost 2
Unnamed Mecha-Boost 3
Unnamed Mecha-Boost 4
Mecha-Boost Hirayangar
Mecha-Boost Kuragen
Mecha-Boost Gorgas
Mecha-Boost Gaidar
Mecha-Boost Dangarun
Mecha-Boost Zondar
Blue Knight Heldyne
Red Knight Deathcain
Gaizok