Bow

From Mariopedia

Bow is the leader of the Boos of Boo's Mansion.She is strong headed and a bit snooty,but is still kind-hearted.She joins Mario in Paper Mario and makes an appearence in Paper Mario:The Thousand Year Door and Super Paper Mario.When Bow met Mario again he was with Goombella who demands to know his relationship with her,but quickly adds she was kidding and laughs.