Every member of the Parr family has a distinctive ability tied specifically to their personality and role within the family, but that doesn’t mean they didn’t go through changes in pre-production.
In a recent conversation with IGN, Incredibles and Incredibles 2 director Brad Bird revealed that, at one point, everyone in the family except Bob had the ability to fly.
“Originally, in the early version of the Incredibles, all of
could fly except Bob,” he said, explaining that the gimmick was “it was always a hassle for them to do everything, because Bob couldn’t fly.”
As you can watch in the above interview, Bird and Incredibles 2 producer John Walker went on to describe a drawing made by Pixar artist Teddy Newton, in which the family was flying while Bob was beneath them driving a station wagon.
Source: IGN.com Incredibles Director Reveals the One Superpower They Almost Had