FWIW I like let-go a lot as the name.

I'm relieved that clogo is not an option for you. It has some strong, malodorous campground toilet connotations to my foreign-language-trained ears. Loogo? Pottygo? Go number 2? Yikes to all of those.

And now, as bonus content, for something completely different: https://youtu.be/M3-51DhOzHE?