A bash shell script says SEE YOU SPACE COWBOY whenever you logout from your #Linux and #Unix session https://www.cyberciti.biz/files/scripts/seeyouspacecowboy.sh.txt
@hittitezombie @nixCraft 
That one comes up on occasion in my shell as I use a randomizer of all the available drawing in cowsay (see first screenshot I shared) 😋
@wihou @nixCraft
Try
/usr/games/cowsay -f dragon-and-cow