Tom Lucitor

Thomas Draconius "Tom" Lucitor (voiced by Rider Strong) is the demon prince of the Underworld and Star Butterfly's ex-boyfriend. Introduced as an antagonistic character to Marco Diaz, he has since become a recurring character and one of Marco's friends.

From "Lint Catcher" to "Sad Teen Hotline", Tom and Star get together again before breaking up a second time.