2001–2002 (prototype) [ ]
Alternate horizontal prototype logo
Though the show was supposed to be named the Kids Next Door , due to the characters' relation to Kenny and the Chimp , "Codename" was added, when a crew discovered that a rival network developed a show titled Pigs Next Door .
2002–2008 [ ]
prototype version of the current logo.
Logo used in Operation: N.A.U.G.H.T.Y. .
Logo used in "Operation: U.T.O.P.I.A.".
Logo only containing the word mark.
Logo used in South Korea.
Word mark logo without "KND".
Word mark logo only containing "KND".
Logo only containing "KND".
Logo used in "Operation: R.O.B.B.E.R.S."
Logo used in "Operation S.P.A.N.K."
Logo used in "Operation A.M.I.S.H."
Logo used in "Operation F.U.T.U.R.E."
Logo used in "Operation H.A.M.S.T.E.R."
Logo used in "Operation D.U.C.K.Y."
Prototype used in "No P in the OOL"
Logo with the current 2010 CN logo
The logo was a nod to Charlie's Angels , an ABC TV show from the 1970s.