Smile Dog is a Creepypasta character, and as his name tells, he has a creepy smile.
- Anyone who looked at Smile Dog was supposed to have mental problems.
- Is a popular Creepypasta.
In Your DreamsEdit
Smile Dog was supposed to appear in people's dreams, telling them to let people know of its existance. If they did, Smile Dog would leave them alone. If they didn't, they'd go mad. AND I MEAN MAD!