Margret, more commonly known as Boots is Gregor's youngest sister and daughter of Grace and Lee. Throughout the series, she is worsphiped as Princess by the Crawlers, Temp and Tick act as her protector in the first book but Tick sadly dies leaving Temp as her only protector in the remaining 4 books. She was named Margret after her great grandmother (fathers side) but is known as Boots as in the winter she steals everyones boots and runs around the apartment in them.
Gregor's younger sister, affectionately called "Boots" due to her love of wearing boots. Boots is a cheerful and adventurous toddler who accompanies Gregor on his journey into the Underland. Despite her young age, Boots often proves to be a valuable member of the group, as her small size and innocent demeanor can sometimes diffuse tense situations. Throughout the series, Gregor becomes increasingly protective of his sister and is motivated by a desire to keep her safe.

Boots	Information
Name	Margret(Boots)
Age	3
Gender	Female
Species	Human (Overlander)
Status	Alive
Bond	N/A
Nicknames	Boots The Princess(Crawlers) Overlander
Relatives	Grace(Mother) Lee(Father) Gregor(Older Brother) Lizzie(Older Sister) Unamed grandmother Margaret(Great Grandmother) Lucy (First Cousin Two times Removed) Unnamed Uncle Rodney (Cousin)