Funny Laws in Washington State

I Didn't Know That Was Illegal in Washington State!
I Didn't Know That Was Illegal in Washington State!
I Didn't Know That Was Illegal in Washington State!
Now, mind you, these laws are outdated, and probably won't land you in the slammer, but still WHAT!? I would like to know who invented these laws, and for some of them, WHY did they seem necessary?