I queued 24 hours to see Coldplay, at Koko in London, at the start of the X&Y tour.

Mazie Hirono
I was in sixth grade at Koko Head Elementary School in Honolulu, and was chosen to pin the 50th star on the American flag in front of my teachers and classmates at a special assembly to celebrate statehood.

Seinfeld
[George wants the nickname "T-Bone"]
George Costanza: Ladies and gentlemen, I have an announcement. From now on, I will be known as...
Kruger: Koko the Monkey.