120g fish ideas/help..?

[koi]

Hi everybody I have a 120g FOWLR up and running and I was wondering on what kind of fish people thought would be good to get the bigger the better..? I am looking at getting a sailfin tang, niger trigger, a pair of bluejaw triggers, harlequin tuskfish, passer angelfish, dogface puffer, regal tang, metallic foxface, and a volitan lionfish. These are only Ideas for fish I want.