1. This is probably a date like Dec. 29th 2003 for example, but director Rich Moore has said that there is no hidden meaning in this [twitter reply][1]:

 [!["Q: Been curious for a while, is there any hidden meaning to the license plate 29THD03?" "Richard Moore: Good question! No hidden meaning, just a bunch of numbers & letters that sounded cool together."][2]][2]

 Who knows? :)

2. Fast Animal, without the vowels


  [1]: https://twitter.com/_rich_moore/status/724334085632446465?lang=en
  [2]: https://i.sstatic.net/rnNuV.png