Cree Lincoln

"Give it up, sis! You know I was the best fighter in the Kids Next Door!"

Cree Lincoln, is Numbuh 5's older sister who is one of the Kids Next Door's greatest enemies alongside the rest of the Teen Ninja's. She was at one point the greatest fighter that was in the Kids Next Door before she betrayed them when she turned 13. Although she had been captured a few times she was never decommissioned.