Deidara's personality is characterized by his love for art and his belief that "art is an explosion." He takes great pride in his abilities as an artist and often views his battles as performances to showcase his skills. Despite his seemingly carefree attitude, Deidara is a skilled and cunning ninja who can be ruthless in combat.
Throughout the series, Deidara plays a significant role as one of the antagonists, engaging in battles against various characters, including the protagonist, Naruto Uzumaki, and his allies. His clashes with other characters contribute to the overall conflict and storyline of the Naruto series.