Someone on Cock of Doody: Modern GaySpawn 2 who uses the perks Marathon, lightweight, and commando. These people usually have the UMP.45 or another SMG, a tactical knife attachment and the pro version of the perks.
Player 1: Damn AC-130 only got me to 24 kills i need one moar!
Kenyan: My RoflKnife goez slicesliceslicesliceslice!
Player 1: OMGWTF YOU PIECE OF CRAP KENYAN!!!