He also appeared in the films The Big Short, Miss Peregrine's Home for Peculiar Children, and Nate Parker's The Birth of a Nation.

[2] In 2014, Flowers was chosen for the recurring role of Young Klaus Mikaelson, in the CW network television drama, The Originals, a spin-off series of the show, The Vampire Diaries.

In April 2015, he was chosen to play 10-year-old Jacob Portman in Tim Burton's adaptation of Miss Peregrine's Home for Peculiar Children.

Aiden dyed his hair black and wore blue contacts to match Asa Butterfiled, who played the lead role of Jacob Portman in the film.

[6] In between filming scenes for Miss Peregrine's, he was chosen to play the younger version of Christian Bale's character, Michael Burry, in The Big Short.

He also enjoys hiking, singing, dancing, playing piano, writing songs, creating his own stop-motion Lego movies, and watching professional wrestling.