Stocking advice

So I have a 55 gallon tank, and need some help finding that one fish that just says wow in your tank. My tank is just about fully stocked, and need some help. I like the flame angels, but dont want him eating my corals...................help please!

In short im looking for a community fish who wont eat my corals. He'll be the last fish to go in the tank.

Current live stock
1 blue damsel
2 ocelaris clownfish
1 magenta dottyback
1 sailfin blenny
1 mckosker wrasse

Inverts
Serpent starfish
peppermint shrimp
coral banded shrimp
pistol shrimp
Green emerald crab
Red mithrax crab
and clean up crew

Corals
GSP
Pulsing xenia
Anthelia
Various mushrooms
Sherman bta
Green bta
Nuclear green polyps
Blue polyps
Yellow polps
Hammer coral
Torch coral
bubble coral
green nepthea leather
duncans