The writers embraced the altered version of Ash, especially consulting producer Ben Edlund, who wrote a scene where Ash greets Sam in the nude. "We all had a hard time keeping it together," Chad recalls with a chuckle.Supernatural The Official Companion Season 2, pg 140
Working with Samantha Ferris was "a riot", and "Jared and Jensen are the two sweetest guys in the world", he did occasionally have to concentrate on his lines. "Sometimes the scientific dialogue was a little challenging to get out." - Chad LindbergSupernatural The Official Companion Season 2, pg 140
After Ash's death, some fans started a "Bring Back Ash" campaign.Supernatural The Official Companion Season 2, pg 140
Chad Lindburg played Jesse on Fast and the Furious in 2009. Jesse was told to go to MIT, since he was so smart with a computer.
In Jo's Journal, Ash is referred to as "Miles". This is what he was called in early scripts of 2.02 Everybody Loves a Clown
"It's funny, because they'd written it a different way when I auditioned. And then I got the part and we filmed some of it and it didn't work, so they ended up changing the character a little bit. Before, Ash was a kind of drunkard, a fumbling, Jack Sparrow-type character. He was kind of loopy. He was a little bit of a medium - they had him as a psychic, and it didn't work. So, they switched him over to a little more serious, with computers and whatnot." - Chad LindbergSupernatural The Official Companion Season 2, pg 140
In the spin-off novel Supernatural: Nevermore, Ash sends Dean and Sam to assist an old friend of his who lives in New York and a member of a bar band who is being stalked by a ghost.