Starlow

Starlow (known as  Chippy by  Bowser) is a character who first appears in  Mario & Luigi: Bowser's Inside Story and returns in  Mario & Luigi: Dream Team. She is a  Star Spritewho helps Mario and Luigi by giving hints and holding items. She has a similar role to  Stuffwell from  the previous game. Her name is a portmanteau of the words "star" and "yellow".