Pompompurin is a lovable golden retriever character from Sanrio, who also appears in the anime series 'Sanrio Danshi'. Known for his laid-back and friendly personality, Pompompurin is adored for his signature brown beret and fondness for pudding. In 'Sanrio Danshi', he plays the role of Yu Mizuno's favorite Sanrio character, providing comfort and inspiration to Yu. Pompompurin's presence represents warmth, friendship, and the importance of embracing one's unique interests.