Garada K7 is one of Dr. Hell's Mechanical Beasts. The big skeleton looking guy was sent to destroy Japan alongisde Doublas M2 only to get completely wrkd by Mazinger Z in only a few pages. Despite going out like a chump, Garada is without a doubt the most popular Mechanical Beast and has been in almost every incarnation of Mazinger since that point. He's even been reimagined as a teenage girl. Twice.