Darth Revan is a fictional character from the Star Wars universe, originally introduced in the video game Star Wars: Knights of the Old Republic. He is known for being a powerful Jedi Knight who fell to the dark side and became a Sith Lord. Revan's story explores themes of redemption and identity, as he struggles with his past and the consequences of his choices. Revan is recognized for his distinctive mask and his duality as both a hero and a villain. His character has appeared in various media, including novels and comics, and has garnered a significant fan following due to his complex narrative and moral ambiguity.