File:Letter x.svg - Wikimedia Commons

File:Eo circle brown letter-x.svg - Wikimedia Commons

File:Lettre X cuisinier herisson CFZ.jpg - Wikimedia Commons

File:Eo circle orange letter-x.svg - Wikimedia Commons

File:Rma - x.svg - Wikipedia

File:Green x.svg - Wikipedia

File:Bpmf-x.svg - Wikipedia

Creative X- Letter Icon Abstract Logo Design Vector Template

The X-Files - Wikiquote

Letter X Vector SVG Icon - SVG Repo

Chicken Sticks/FX Productions (2015)