Software failure! This looks more scary than it needs to be. Grandma would just panic and fall off her chair.
Ha! Southparky 404!
Cute kitten 404!
Might work for if web-devs are the audience.
"You found my sock, but I lost your page!"
Too much content for a 404. Nah. This sort of thing confuses me.
Cute lying panda. Heh
Yikes, you walked in on the wrong file.