Killer Blood Parrot Cichlid?

Blood Parrot Cichlid "Gimpy", she is my oldest Parrot and is the most dominate of the tank, well if she doesn't like a fish..she will kill it, unfortunately the kissing guarmi must have been pestering her and she ended up killing it. Gimpy has already taken out a few of the Tiger Barbs that pestered her, and now the kisser! It seems the only fish she likes is the Angel, my other female Blood Parrot, and my 3 Jellybean Parrots. She likes any fish that leaves her alone. My question is, has anybody who have Blood Parrots ever had this problem? Getting rid of her is not a possibility as I have grown very fond of her, even though she is killing pestering fish...I also want to introduce a young Blood Parrot and was thinking about possibly choosing one that is shy so that it would leave her alone. What do you think?