Majin Garon

Giant who flew away from space. Its identity is a weapon that alien sent aliens to test earthlings, aliens say that earthlings will attack the earth if they misuse Garons. Ken Boy who grew up with Pick, one assistant of professor Takara who carried out the restoration of Garon, Shikishima and others, confronts the evil people who aim for the power of Garon to prevent the destruction of the earth.

(Source: Wikipedia)

Also includes Tiger Hakase and Donguri Koushinkyoku.