Kylo Ren

Kylo Ren (born Ben Solo) is one of the playable characters in LEGO Star Wars: The Skywalker Saga. He was a main antagonist, turned protagonist, of the sequel trilogy. Kylo Ren is the son of Han Solo and Leia Organa, as well as the nephew of Luke Skywalker, and the grandson of Anakin Skywalker and Padmé Amidala.

Background
The son of Han Solo and Leia Organa, Ben Solo was seduced by the dark side of the Force and renamed himself Kylo Ren: leader of the Knights of Ren, champion of the First Order, and apprentice to Supreme Leader Snoke. Driven to destroy the past, Kylo killed his father and his master, supplanting Snoke as Supreme Leader. But he remained haunted by his father’s death, his connection with the mysterious Rey, and the pull of the good in himself. In time, all three would help Ben Solo return to the light.

Trivia

 * In the films, Kylo Ren was portrayed by Adam Driver.
 * He was named after Obi-Wan Kenobi's "Ben Kenobi" alias.