Magoroku Shido

Magoroku Shido is one of the antagonists of the Future Card Buddyfight anime. He is a 9th grader at Aibo Academy and president of Aibo Academy's middle school student council. His test scores are among the school's best. He is a member of Disaster. Magoroku used Bluechase Dragon, Garg as his buddy while using a Danger World deck and Silver Dragon, Adelaide while using an Ancient World deck. As shown in Episode 40: The Terrifying Dragon World!, it is revealed that his original buddy monster is Death Ruler, Gallows and fights with a Darkness Dragon World deck. His core gadget was a red star, but after revealing his affiliation with Disaster, he switched to a Dark Core with the same design albeit black colored.
Source: Future Card Buddyfight Wiki