Tetsu Ushio, known as Tetsu Trudge in the English version of Yu-Gi-Oh! 5D's, is a character appearing in the Yu-Gi-Oh! and Yu-Gi-Oh! 5D's manga. This is the manga incarnation of Tetsu Trudge. In Yu-Gi-Oh!, Ushio was a hall monitor, who enforced many rules and was feared even by teachers. He was corrupt, unwieldy, abusive, and an extortionist who more than often swung his weight around due to his imposing physic and powerful position, racketeering off of both delinquents weaker than him and those whom he considered "victims" of bullying at school.