Now WordPress is most popular all over the world. There is some joy with wp. I found some of the beautiful 404 page and showing here.
1.Missing Page

2. Somewhere in

3.Resistance is Futile

4. Nothing for you

5. Nostradamus

6. Failure to Communicate

7. lonely404@aol.com

8. Uncle Sam’s error message

9. The Web is too Big

10. 404 Milk Carton

11. Sweet Page

12. [...]