The Acolyte is the first live-action Star Wars show to be set during the wildly popular High Republic era, and because of that, it's the perfect place to bring some of the period's most beloved characters to the screen for the first time. A few of them made their animated debuts in Young Jedi Adventures, and because they were so well-received, more characters should transition from the page to the screen in the new future.
Source:https://www.cbr.com/star-wars-the-acolyte-high-republic-characters/