http://primes.utm.edu/curios/page.php?number_id=10320

This is a 10,112-digit probable prime picture based on the Dopefish that appeared in The Commander Keen computer game series. Since that series, it has been an "Easter Egg" in other programs especially in 3D Realms games and home-brewed modifications of games. Look at Dopefish.com for the Dopefish story and http://www.wolfensteingoodies.com/wolfensteingoodies/dopefish/dopefish.htm for the picture equation.

To be completed...