The first trailer for the highly-anticipated movie dropped on Friday.
Mark Hamill on Saturday jokingly "solved" who is laughing at the end of the trailer for Star Wars: Rise of Skywalker .
The iconic actor, who loves to troll fans for lighthearted fun, tweeted with his more than 3 million followers.
"Mystery of who's laughing at the end of the trailer: SOLVED. #JediJoker," Hamill tweeted joke dressed as Luke Skywalker from Return of the Jedi .
Hamill has voiced the Joker for years, both in the Batman animated series and in numerous video games.
Rise of Skywalker dropped on Friday. Axis or 9 a.m. Saturday, it had more than 1
In the spot, which is more than two minutes long, it sounds like Emperor Palpatine is laughing in the end, which lead fans to speculate the character will appear in J.J. Abrams' film closing out the Skywalker story.
Star Wars: The Rise of Skywalker opens Dec. 20.
– Mark Hamill (@HamillHimself) April 13, 2019