You always knew your dog was cool enough to guard the gates of hell, and now you can prove it. This cool pic of a homemade Cerberus and an adorable pint-sized Harry Potter has been making the rounds on the internet for several years now. Even George Takei posted this one for his fans today.

 "Fluffy" the Cerberus and Harry Potter (Viral Internet Image, 2009)"Fluffy" the Cerberus and Harry Potter (Viral Internet Image, 2009)

You can turn your own dog into this mythical Greek hound, known as "Fluffy" in the Harry Potter books. There's no explaining Hagrid's taste in naming animals since the three-headed mythical beast was best known for its ferocity. For instructions on how to make your own Cerberus costume, click here.

Sources: Costume Pop, GeekStir, TYWKIWDBI,, Facebook