There is prior art in the grilled cheese and eggs area: Denny’s Moons Over My Hammy.
Or the even more legendary Breakfast Dagwood https://violasmithcooking.blogspot.com/2009/08/breakfast-dag...
For a continental vibe see the french "Croque Madame"
Or the even more legendary Breakfast Dagwood https://violasmithcooking.blogspot.com/2009/08/breakfast-dag...