Yudai Tsukumo

“I as a Dragon Tamer will not fail! I will become the Master Tamer! It's my destiny! No, It's our Destiny!”

—Yudai Tsukumo

Yudai Tsukumo is the main protagonist of the original series of Dragon Tamers!. He is the beholder and Sacred Guardian of the Mystical and Rare Dragon, Dragoon. After finding a puzzlebox, the "puzzle" (miniature pyramid) latched on to Yudai's neck to where it grew there. As well as growing an eye on it, which is the gateway from the Spiritual World of the dragons and the Real World of the Dragons. Inside of the Pyramid Puzzlebox, there is Yudai's alter ego and second spirit, known as Dark Yudai! They are both the same and two different beings at the same time.