"This unofficial creative ad design for "Signal" toothpaste showcases half of the Joker's face, but with a remarkable twist—his traditionally yellow teeth are replaced with gleaming white ones, courtesy of Signal's powerful toothpaste. This imaginative depiction emphasizes Signal's effectiveness in making teeth shine. The design ingeniously suggests that Signal enhances your smile, making it more radiant and pristine. It's a striking concept that effectively communicates the transformative power of Signal toothpaste.