Abigail Lincoln a.k.a. Numbuh 5 is one of the four deuteragonists of the 2002 animated series, Codename: Kids Next Door. She is the younger sister of Cree Lincoln (Numbuh 11). Abby is an African-American Kids Next Door Operative in Sector V. She became a KND operative three years before the show started as shown in Operation: M.A.U.R.I.C.E. She was trained by her older sister, Cree (Numbuh 11), and joined her sister, Numbuhs 8a and 8b, and Numbuh 9 in Sector V. After Cree traitorously left…