His voice actor is the same as the Japanese voice actor for Frieza from the Dragon Ball series.
The bomber plays a game involving balloons, threatening the lives of people on a Ferris wheel, including Anzu Mazaki. When the game mandates that the bomber is supposed to kill himself, he refuses. Dark Yugi placed a Penalty Game on him, making him go berserk, causing him to fall out of his car. The bomber was then arrested by the police.