"I'd love to go on the date with you, Nigie."
Lizzie is a chubby 10 year old girl in Numbuh 1's grade. She is also his girlfriend. She has red hair, normally wears a yellow shirt with a blue skirt, and a pair of round glasses.She turns out to be an alien on the galactic KND at the end of the series.
- An older sister
- Younger brother about 4
- Unnamed Parents
- lizzie is really cool