Name : Duke Devlin / Ryuji Otogi [Kinda hot]
Gender : Male
Age : 16 [for a 16 yr old, he's really smart. Being a creator that is]
Hair : Black
Eyes : Green
Height : 173 cm
Weight : 64 kg
Status : Creator of Dungeon Dice Monsters (DDM for short) / duelist
Deck Used : Dice-based/Dark [in episode Mechanical Mayhem]