Ddraig is a Welsh word meaning "dragon." In Welsh mythology, dragons are often depicted as powerful and fearsome creatures, symbolizing strength and protection. The most famous dragon in Welsh culture is the red dragon, which appears on the national flag of Wales. This dragon is associated with the legend of Merlin and the ancient kings of Britain. In modern media, Ddraig is also known from the popular anime and manga series High School DxD. In this context, Ddraig is a powerful dragon that resides within the protagonist, Issei Hyoudou. Ddraig grants Issei immense strength and abilities, making him a central figure in the series' battles and conflicts.