Duplighost

Paper Mario: The Thousand-Year Door has only one duplighost, Doopliss, who stays in the Creepy Steeple. Many of the Twilighters refer to him as a demon since they have never seen him in person. In the game, Doopliss appears as an enemy of Mario several times throughout, and is the boss of Chapter 4. He causes the members of Twilight Town to become pigs whenever the bell tolls, and attempts to steal Mario's identity and succeeds for a little bit. He has the special ability of stealing another character's body when copying them, something that most Duplighosts are unable to do. He later becomes a member of the Shadow Sirens, replacing Vivian. He still has the same powers and abilities as regular duplighosts such as throwing himself at people and most importantly, transforming into others to take physical appearance and attacks.