I'm one who has no desire to have any kind of job after I retire. I've had a job since fifth grade, I'm ready to be done. I am not one to get bored, as there are always things out there to do.
I might volunteer to walk dogs, I'll be part of the quilt group as long as it is in existence, I might sell something I make just because I have no room for it or want to fund something else, but no job. The job I have now is pretty much as good as I can get, so if I were to plan to have a job after retirement, I may as well just keep mine and increase my years of service for my pension.
Really though, I can think of so many things to do that don't involve getting a job, even a "fun" job.