u/Chofis_Aquino_

Edit: *They're pets (English is not my first language, use a translator)

Let's think for a moment, at some point in these more than 1000 years that vampires have existed in the TVD universe, some vampire probably loved a dog or cat very much, so they put a little of their blood in its food and then...

A vampire dog would be funny, or a vampire cat hahaha