Murdock is a friend of Egon Spengler and often helps out the Ghostbusters.
Aside from being a friend of Egon's, Murdock is in the teaching profession and recently made tenure. The next year, in the spring, he came to the aid of the Ghostbusters again by flying them from the Firehouse to 55 Central Park West by helicopter. Months later, in November, Murdock flew Egon, Ron Alexander, Dani Shpak, and Lou Kamaka to one end of the Megaspook.
- Murdock is visually based off the character Roger Murdock from the movie "Airplane!" as portrayed by Kareem Abdul-Jabaar.
- Murdock was skeptical Ray Stantz's Ecto-Gyro could fly and still couldn't believe when he witnessed it do so.
- On the Subscription Cover of Ghostbusters Volume 2 Issue #1, Murdock's photo is to the right of Janine.