BSODOS is a project mainly written in C, it's free.
a little joke kernel, displays a BSOD and halts.
Use at own risk, I'm not responsible for any damage that this may cause. Neither can I be responsible for any raging people who you pull this prank on.
You have to put GRUB on a cd yourself I'm not telling how to get this working on a cd/floppy. pretty self-explanatory if you know what you are doing.