A thorough article on what you needed to know about David X. Physicist, Futurama Writer and Executive Producer. As you progress deeper and deeper into this composition on David X, you are sure to unearth more information on David X. The information becomes more interesting as the deeper you venture into the composition. Physicist, Futurama Writer and Executive Producer. He is best known for his work with Matt Lucas on the BBC sketch comedy series Little Britain (20032006) and Come Fly With Me (20102011). Using the intuition I had on David X, I thought that writing this article would indeed be worth the trouble. Most of the relevant information on David X has been included here. He is best known for his work with Matt Lucas on the BBC sketch comedy series Little Britain (20032006) and Come Fly With Me (20102011). Both his parents had PhDs in biology.