Swim's name comes from the common internet acronym "Somebody Who Isn't Me", used when meaning to disguise one's identity on larger web forums.
Some scenes from this movie were filmed inside of the Bell County Jail in Belton,TX.
Tye Sheridan and Caleb Landry Jones both play X-Men superheroes. Jones played Sean Cassidy/Banshee in. X-Men: First Class, and Sheridan played Scott Summers/Cyclops in X-Men: Apocalypse.
When Richie (Tye Sheridan) is on the phone with the loan agent, they ask for his birthdate, which he gives as 11-11-96. This is Tye Sheridan's actual birthdate.