Your costume suggestion
Thud not good at wearing clothes. Thud like loin cloth, or similar, so Thud can show off big muscles. Thud wear bandana to keep brains warm. Thud carry teddy bear. Thud love teddy bear.
When Thud growing up, he not see so good. Barbarian kids tease Thud about poor eyesight. So Thud have magic eye surgery. It cost much gold, but gave Thud freedom to smash people like never before. Thud soon known as meanest, smartest Barbarian in the whole kingdom. Thud must keep up payments though or wizards come and take back Thud’s eyes. Thud involved in increasingly violent contracts until finally Thud meet King Toffrey. At last Thud earn wealth to pay off wizards and gain fortune of Thud’s own.
INTRODUCE YOURSELF AT THE START OF THE GAME BY READING THIS
Thud good friend of King Toffrey. Me fight for King many times. King is little man, need big man like Thud to hit his enemies with big sword. King have many enemies. Thud have very big sword. When no war, Thud earns shiny gold by selling origami and calligraphy. Thud has many sides, like circle.