Fifi Neller

About her
Fifi lives right next door to the Flynn's House. She's seen all there inventions but doesn't talk to them. She does eventually talk to them. She only has one sibling and lives with her parents. When she does meet the boys she continues to go over their fence.

Appearence
She has dark hair and dark brown eyes. She wears A pink shirt with a rainbow on it with jean shorts and with sneakers.