Majin Garon
魔神ガロン
Sequel
Majin Oh Gallon
Majinou Gallon· 魔神王ガロン
manga Completed 2 Vol. 12 Ch.
64
100
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Based on the original work of Osamu Tezuka.
Alternative
Ambassador Magma
Magma Taishi· マグマ大使
manga Completed Licensed 3 Vol. 21 Ch. Anime
It’s a battle for the fate of Earth between a space invading army lead by the ominous being named Goa vs. Earth’s defender, Magma, the giant robot—and Mamoru, a news reporter’s son, that’s caught right in the middle. Can Mamoru team up with Magma to save the planet? (Source: eManga)