K.O.

 is an Back Bling in Fortnite: Battle Royale, that can be purchased with the Guile Outfit in the Item Shop for  1,600 V-Bucks or with the Cammy & Guile Bundle for  2,200 V-Bucks. was first released in Chapter 2: Season 7 and is part of the Street Fighter Set.

Trivia

 * K.O.'s ID is BID_821_QuarrelMale_IKIS8.
 * The K.O. icon comes from the Health Meter HUD used in Street Fighter II.

Gallery
K.O.