Tricheuse Menteur (pronounced Tree-shu-se Mon-ter) is in charge of undercover work with her twin brother, Numbuh 1001.
Her code numbuh is Numbuh 1002, pronounced as 1 double O 2, and is a member of Sector Pa.
Her and 1001's work is like that of the Interesting Twins, only they are probably better.
She has neat platinum blonde hair and crystal-blue eyes. Her platinum blonde hair is held in place with a pink headband. She wears a pink pearl necklace around her neck. She is clad in a pink shirt and wears a black skirt in the summer. In the winter she wears a pink jacket with black jeans.