Before the comic book series was launched in July 2015, it was unknown what Dib and Gaz's surname was, if they had one at all. At the time of the television series, series creator Jhonen Vasquez claimed that their father Professor Membrane was actually using his first name in his title. However, the comic series has had Dib addressed as "Dib Membrane" multiple times, with the first being in a pre-Issue 0 and in an official Issue 5, with "Dib Membrane" being confirmed as the character's name in "".