A janitor at Valve Inc. game studios, often confused with Robin Walker, a beloved programmer of the same place of employment. He was first delivered to fame by the Team Fortress 2 podcast "KritzKast".
"Yo, Kev! Kevlar Keino! Nothin' gets through the wall of Kevlar Kevin Walker!"
"So, Mr. Kevin Walker, can you tell us about the direction TF2's gonna be taking?"
October 27, 2009