Seven only shows aggression towards caucasian males that are around 6ft tall and up. He growls and barks and tunes me out completely. Women, kids whatever, he is completely fine, but these guys get a reaction from him even when they are friendly or I greet them.

Craig is my height and caucasian and Seven loves him to death, so I think his former owner (he was abused before I adopted him and still had the scars when I brought him home) must resemble they guys he gets aggressive with.

Other than that, he's afraid of cats. He always starts out wanting to play, but after the first swat by a cat, he's done and won't go near them.