Existential octopus lost a tentacle. 

100+ Reddit comments:

https://reddit.com/r/videos/comments/4nfdvc/how_pixar_created_its_most_complex_character_yet/

The story behind Piper, the short film before Finding Dory:

http://businessinsider.com/the-director-of-piper-pixar-short-film-on-what-inspired-it-2016-6

Wow, keep feeding the fantasy...

http://pandawhale.com/post/71029/the-most-important-object-in-computer-graphics-history-is-this-teapot

Fantasy?

These engineers use their smarts and tenacity to create whimsy. I bet this is not the typical goal of the parents of engineers. 

Not typically but occasionally. And when they do, it's like magic.