Created by Brian Michael Bendis and Mark Bagley, the character appears in the pages of Ultimate Spider-Man.
In Ultimate Spider-Man, despite his apparent lack of intelligence based on being a stereotypical high school bully, Kenny is actually a perceptive teenager and able to deduce Spider-Man's secret identity but keeps this knowledge to himself; he respects the hero's wishes of secrecy and covertly helps him maintaining it.
Kenny McFarlane is a student of Midtown High School and friend of Flash Thompson who often works with him to bully Peter Parker.
[5] Kenny "King" Kong made his debut in the mainstream Marvel Universe in Starbrand & Nightmask #1 (February 2016), and was created by writer Greg Weisman and artist Dominike Stanton.
While in Ultimate Marvel Team-Up around the same time, in a story also written by Brian Michael Bendis, a teacher calls him Kenny.