Smile Dog is the titular main antagonist of the Creepypasta story of the same name; "Smile Dog". He is a supernatural entity that takes the form of a demonic husky and forces people into spreading his image all over the internet, otherwise he will kill them.Smile Dog appears as a Siberian husky with grey and pink-like fur, accompanied by an inhuman smile. When he transforms into his demon form his fur turns red with a yellowish tint and black on the top of his head, his smile is far bigger.