Ahhh, favorite characters..
I have Killer the Doberman, one of my first canine characters; he had a split personality of sorts, but the other half lived in his stubby tail. It liked to insult him, but killer was a nice guy, really hyper and such.
There's also Chance Young, my reverse vampire. ;D Friggin love him. Egotistical and he loves to mess with people.
Vloek or Vicious, one of my more serious characters. A black wolf whose tail and left ear has been torn off by loners. He's really cautious and quiet. Deep voice and such, kind of a creepy lad.
Sholto Samuel Kennings, an Irish boy he got beat when he was young, never seen without his trusted hound. And he loves his booze. Very sarcastic and crude. :3
Those are the first few that pop into my mind when i think of favorites, I love them. <3 (ps, this was written on my iPod, please excuse by awful grammar.)