Blanco.....it's spanish for "white"
Plus, in 'Street Fighter', the huge dude's name was "Blanka", and so it sounds kinda close....and that dude was HUGE....and so is the doggie.
Ohhh, poor babyyy. I said that below. REFER TO IT!
I was simply agreeing.....plus, I think seeing a 150 pound dog named 'Blanco' walking down the street....well, let's just say my 4 pound and 10 pound dogs, would crap....literally....more than they already do.