These are the toilet icons everyone should use
In most environments, never use weird icons for identifying toilet rooms, like these triangular ones.
For the most toilet rooms in our world, though, just use these ones. They are mostly universal. They are easily understandable.
If you are after creating a unique atmosphere and spicing things up though, and the environment allows it — lets say, it’s a bar with a specific style — then of course you can go ahead and allow yourself to force users to spend some time and effort to understand your toilet icon.
Here are a few cool ones: