Marilyn is one of the three Shadow Sirens and the middle sister of the older Beldam and the younger Vivian (who is later replaced by Doopliss). She and her sisters work alongside the X-Nauts to find the seven Crystal Stars and open the Thousand-Year Door. Marilyn and her teammates appear several times throughout Mario's adventure in Paper Mario: The Thousand-Year Door, making numerous attempts to slow him and his partners down and hinder their progress.
Alignment:Lawful Evil to Neutral Good (Despite being noted by Goombella to not seem like a bad person, Marilyn still assisted Beldam in helping the Shadow Queen's return. However, by the end of the game, she stops her evil ways after the defeat of the Shadow Queen)
Clap Attack: Marilyn will go towards an enemy and use her strength to clap at them.
Charge: Marilyn will charge herself, increasing her power drastically.
Thunder: Marilyn will attack enemies using thunder from the sky, causing piercing damage.
Other
Standard Tactics: Marilyn will use her magic and melee attacks on an enemy.
Weaknesses: Lacks basic speech.
Battle Records
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↑"If you're familiar with things like Popeye and some of the old comic characters, you would oftentimes see this cast of characters that takes on different roles depending on the comic or cartoon," Miyamoto said. "They might be businessman in one [cartoon] or a pirate in another. Depending on the story that was being told, they would change roles. So, to a certain degree, I look at our characters in a similar way and feel that they can take on different roles in different games."