Thinly slice bell peppers and onion. Sauté in a little olive oil in large sauté pan over med. heat until tender.
Wrap each hot dog with a slice of bacon, secured in place with toothpicks.
Heat grill pan to med/high and bacon wrapped dogs until bacon is crispy and dogs are heated through (you can remove the toothpicks after a few minutes of cooking).
Place in bun and top with grilled peppers & onions or just a little mustard/ketchup.