Yes, I can breath underwater, and no I don't have a fish head, this is a mask.
Just calling herself Morrigan, this hero is one of the many that does not like to stand in front of cameras that much. But as camera shy as she is, she is still one of the more active heroes in Heldencoast City and just by the nature of it worked a lot with Phoenix Punch.
She is one of the superhero agents, that work with A.E.G.I.S. on a regular basis, knowing their databases and structures are a great help in defeating villains and spotting patterns to prevent people turning into villains.