Gong Strong
Yuya's childhood friend who works at his family dojo, but often comes to help him at You Show Duel School. During childhood, He was the one who always defending Yuya from bullying. He is a Steadfast style Duelist, refusing to get an Action Card and won't budge from his place even if he receive attacks. After being badly injured in his Duel with the Battle Beast, he was helped by Sylvio and Jack Atlas. Gong uses a Superheavy Samurai deck composed solely of monsters and later learns Synchro Summoning from Kit, and even later adds Pendulum Summoning to his deck, becoming the first person to Pendulum-Synchro Summon. His initial ace monster is Superheavy Samurai Big Benkei, but upon learning to Synchro Summon from Kit Blade with Superheavy Samurai Warlord Susanowo as his new ace monster.