Board Thread:Questions and Answers/@comment-26184769-20170705233317/@comment-1809047-20170707031605

Warrior Beasts are from the sequel anime Great Mazinger, the Saucer and Vega Beasts are from Grendizer. There are also the Biobeasts from MazinSaga and the Megalo Legion from God Mazinger. Several other series like Shin Mazinger ZERO and Z Mazinger also have their own Mechanical Beasts.