Kaoticos, the name of the trio of mascots of the website "K4US" comes from de word "K4US' which resembles "caos" that in Portuguese means "Chaos". So "Kaóticos" is a misspelled version of the word "chaotic"
The trio represents the website readers, aiming for a young, diverse, and lively audience. The trio follows the website color palette: blue, white, and pink.
The example above is a "Spot the difference" game made for a magazine featuring K4US's mascots