Cinnamoroll is a popular Sanrio character known for his sweet and sleepy appearance. He is a white dog with huge brown ears. Cinnamoroll is known for his sleepy personality. He is always tired and loves to take naps. He is also very clumsy and often gets into accidents. However, he is also very kind and loving, and he always tries his best to help others. A fanart Sanrio Cinnamoroll Tired Sticker.