We had a cat named Cricket, when I was kid, that would completely FREAK OUT and run from across the room and attack my dad. Like...jump on his head, his legs, whatever and start biting and clawing. My dad NEVER did anything mean to this cat.
Then, the same cat would kill mice in the house, and eat everything BUT the inside (intestines, etc) and leave the inside at the foot of the stairs. Every time, my dad would come walking down the stairs, in the morning and step right into what was left of the mouse, that the cat had so lovingly left for him.