-Tail starts below. Don’t really like this one because it looks really stupid when nothing is going on
-Lightsaber it. A reasonable compromise for all parties
-Retractable fish/reptile-looking thingy— this one is good. Optimal choice
-Retractable human thingy— NEVER, NEVER DO THIS
-They transform into a human being with legs and whatnot— what are you even writing about mermen for? Get out of my sight
-The UPPER half is the fish part— I’m already on my way to kill you