Uh no, and please never work with me. The definition of "making it okay to fail" is a pat on the back and a retrospective to figure out what went wrong and prevent it from happening again.
Thank you for distinguishing yourself.
I'm not sure why you think a humorous plush toy precludes any of the other things you mention (retrospective, etc). I see a plush toy as something that makes failure an amusing thing to laugh at, rather than something to be hung up about.
But don't worry. At your request, I will not work with you.
The only consequence is a plush toy of shame on your desk until the next person fails? Yes, please.
Sounds like a great way to lighten the mood about failure.