Blue Beetle is primarily focused on Jamie Reyes but also devotes much of its runtime to the entire Reyes family. On top of the main three characters from the original comics, the film also adds to Jamie's supporting cast. But one of them stands out, and could easily make the leap to the comics' version of Jamie's life as well.
Source:https://www.cbr.com/blue-beetle-jamie-reyes-uncle-rudy-dc-comics/