And recently, Colorado-based photographer Rachel Perman decided to apply those themes to real-life.
Which had surprisingly viral results.
According to Perman, Elijahs great-grandparents have never seenUpbut took their responsibilities as the characters seriously.

Disney/Pixar
They were thrilled to participate and loved that I asked them.
Grandpa even went to the thrift store to get the jacket and hose.
It was an adorable occasion that also functioned as a double celebration.
The twins are turning [five] and Mikayla [her eldest child] is turning 10.
But its an even bigger milestone to me.
Mikayla was five when the twins were born and I was diagnosed with cancer, she explained.
The pain of that idea still puts my stomach in knots.
But, here we are!
We have come full circle!
So its time to celebrate.