I had an aunt who was very afraid of snakes. Once, when she visited when I was young, I let my pet snake loose in the living room.
Much better than a fake.
Two snake stories...
Back in the 8th grade I had an English teacher who was deathly afraid of snakes. He also loved Diet Coke and kept a case or two under his desk to keep in his minifridge. And his classroom was across the hall from our science teacher. Who just happened to have a fascinating little corn snake.
So one day when the snake shed it's skin...we put the skin on top of one of the English teacher's case of diet cokes. When he reached down to open the new package and felt that skin and looked...
Also one day back when I was around 6 or 7 I found a large rattlesnake skin in our junkyard at home and put it on Mom's dash...
My boss and my assistant manager are both deathly scared of spiders. First day at work the asst. manager and I were touring our shop and such and upon spotting a large wolf spider I blew on it to make it jump at her. That was very entertaining.