Cut tops off banana peppers. Slit peppers in half lengthwise being careful not to slit through both sides. Remove seeds.
Combine cheddar cheese, cream cheese, tomato, onion, bell pepper, jalapeno, salt and pepper. Mix well.
Stuff peppers with cheese mixture. Wrap with bacon slice. Secure with a toothpick. Place on a rack with broiler pan. Broil for 4-5 minutes per side until golden and oozing.